diff --git a/.gitignore b/.gitignore
index 31c619d..6d57d54 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,3 +36,5 @@ docker/env/contracts.env
 
 # Lerna
 *.lerna_backup
+
+yarn-clean.sh
diff --git a/packages/concordia-app/package.json b/packages/concordia-app/package.json
index bbe624a..8727d5a 100644
--- a/packages/concordia-app/package.json
+++ b/packages/concordia-app/package.json
@@ -30,6 +30,7 @@
     "@reduxjs/toolkit": "~1.4.0",
     "@welldone-software/why-did-you-render": "^6.0.0-rc.1",
     "concordia-contracts": "~0.1.0",
+    "concordia-shared": "~0.1.0",
     "i18next": "^19.8.3",
     "i18next-browser-languagedetector": "^6.0.1",
     "i18next-http-backend": "^1.0.21",
diff --git a/packages/concordia-app/patches/web3-eth+1.3.3.patch b/packages/concordia-app/patches/web3-eth+1.3.4.patch
similarity index 100%
rename from packages/concordia-app/patches/web3-eth+1.3.3.patch
rename to packages/concordia-app/patches/web3-eth+1.3.4.patch
diff --git a/packages/concordia-app/src/components/InitializationScreen/index.jsx b/packages/concordia-app/src/components/InitializationScreen/index.jsx
index 7a2dc5a..6ada2b8 100644
--- a/packages/concordia-app/src/components/InitializationScreen/index.jsx
+++ b/packages/concordia-app/src/components/InitializationScreen/index.jsx
@@ -1,11 +1,11 @@
 import React, { Children } from 'react';
 import { breezeConstants } from '@ezerous/breeze';
 import { useSelector } from 'react-redux';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import CustomLoader from './CustomLoader';
 
 // CSS
 import '../../assets/css/loading-component.css';
-import { FORUM_CONTRACT } from '../../constants/contracts/ContractNames';
 
 const InitializationLoader = ({ children }) => {
   const initializing = useSelector((state) => state.drizzleStatus.initializing);
diff --git a/packages/concordia-app/src/components/PostCreate/index.jsx b/packages/concordia-app/src/components/PostCreate/index.jsx
index 27d966a..b912417 100644
--- a/packages/concordia-app/src/components/PostCreate/index.jsx
+++ b/packages/concordia-app/src/components/PostCreate/index.jsx
@@ -7,16 +7,16 @@ import {
 import PropTypes from 'prop-types';
 import { useTranslation } from 'react-i18next';
 import { useDispatch, useSelector } from 'react-redux';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
+import { POSTS_DATABASE, USER_DATABASE } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
+import { POST_CREATED_EVENT } from 'concordia-shared/src/constants/contracts/events/ForumContractEvents';
 import determineKVAddress from '../../utils/orbitUtils';
-import { POSTS_DATABASE, USER_DATABASE } from '../../constants/orbit/OrbitDatabases';
 import { FETCH_USER_DATABASE } from '../../redux/actions/peerDbReplicationActions';
 import { USER_PROFILE_PICTURE } from '../../constants/orbit/UserDatabaseKeys';
 import { breeze, drizzle } from '../../redux/store';
 import './styles.css';
 import { TRANSACTION_ERROR, TRANSACTION_SUCCESS } from '../../constants/TransactionStatus';
 import { POST_CONTENT } from '../../constants/orbit/PostsDatabaseKeys';
-import { FORUM_CONTRACT } from '../../constants/contracts/ContractNames';
-import { POST_CREATED_EVENT } from '../../constants/contracts/events/ForumContractEvents';
 
 const { contracts: { [FORUM_CONTRACT]: { methods: { createPost } } } } = drizzle;
 const { orbit } = breeze;
diff --git a/packages/concordia-app/src/components/PostList/PostListRow/index.jsx b/packages/concordia-app/src/components/PostList/PostListRow/index.jsx
index 8814374..de93824 100644
--- a/packages/concordia-app/src/components/PostList/PostListRow/index.jsx
+++ b/packages/concordia-app/src/components/PostList/PostListRow/index.jsx
@@ -9,14 +9,14 @@ import { useTranslation } from 'react-i18next';
 import TimeAgo from 'react-timeago';
 import { useDispatch, useSelector } from 'react-redux';
 import { Link } from 'react-router-dom';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
+import { POSTS_DATABASE, USER_DATABASE } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
 import { FETCH_USER_DATABASE } from '../../../redux/actions/peerDbReplicationActions';
 import { breeze } from '../../../redux/store';
 import './styles.css';
-import { POSTS_DATABASE, USER_DATABASE } from '../../../constants/orbit/OrbitDatabases';
 import determineKVAddress from '../../../utils/orbitUtils';
 import { USER_PROFILE_PICTURE } from '../../../constants/orbit/UserDatabaseKeys';
 import { POST_CONTENT } from '../../../constants/orbit/PostsDatabaseKeys';
-import { FORUM_CONTRACT } from '../../../constants/contracts/ContractNames';
 
 const { orbit } = breeze;
 
diff --git a/packages/concordia-app/src/components/PostList/index.jsx b/packages/concordia-app/src/components/PostList/index.jsx
index a967ccd..504a3a7 100644
--- a/packages/concordia-app/src/components/PostList/index.jsx
+++ b/packages/concordia-app/src/components/PostList/index.jsx
@@ -4,9 +4,9 @@ import React, {
 import PropTypes from 'prop-types';
 import { useSelector } from 'react-redux';
 import { Dimmer, Feed, Loader } from 'semantic-ui-react';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import PostListRow from './PostListRow';
 import { drizzle } from '../../redux/store';
-import { FORUM_CONTRACT } from '../../constants/contracts/ContractNames';
 
 const { contracts: { [FORUM_CONTRACT]: { methods: { getPost: { cacheCall: getPostChainData } } } } } = drizzle;
 
diff --git a/packages/concordia-app/src/components/TopicList/TopicListRow/index.jsx b/packages/concordia-app/src/components/TopicList/TopicListRow/index.jsx
index fd96bf4..1a50ba9 100644
--- a/packages/concordia-app/src/components/TopicList/TopicListRow/index.jsx
+++ b/packages/concordia-app/src/components/TopicList/TopicListRow/index.jsx
@@ -10,14 +10,14 @@ import TimeAgo from 'react-timeago';
 import { useHistory } from 'react-router';
 import { useDispatch, useSelector } from 'react-redux';
 import { Link } from 'react-router-dom';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
+import { TOPICS_DATABASE, USER_DATABASE } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
 import { FETCH_USER_DATABASE } from '../../../redux/actions/peerDbReplicationActions';
 import { breeze } from '../../../redux/store';
 import './styles.css';
-import { TOPICS_DATABASE, USER_DATABASE } from '../../../constants/orbit/OrbitDatabases';
 import determineKVAddress from '../../../utils/orbitUtils';
 import { USER_PROFILE_PICTURE } from '../../../constants/orbit/UserDatabaseKeys';
 import { TOPIC_SUBJECT } from '../../../constants/orbit/TopicsDatabaseKeys';
-import { FORUM_CONTRACT } from '../../../constants/contracts/ContractNames';
 
 const { orbit } = breeze;
 
diff --git a/packages/concordia-app/src/components/TopicList/index.jsx b/packages/concordia-app/src/components/TopicList/index.jsx
index 8a85f4e..8a6b9fd 100644
--- a/packages/concordia-app/src/components/TopicList/index.jsx
+++ b/packages/concordia-app/src/components/TopicList/index.jsx
@@ -4,9 +4,9 @@ import React, {
 import PropTypes from 'prop-types';
 import { useSelector } from 'react-redux';
 import { List } from 'semantic-ui-react';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import TopicListRow from './TopicListRow';
 import { drizzle } from '../../redux/store';
-import { FORUM_CONTRACT } from '../../constants/contracts/ContractNames';
 
 const { contracts: { [FORUM_CONTRACT]: { methods: { getTopic: { cacheCall: getTopicChainData } } } } } = drizzle;
 
diff --git a/packages/concordia-app/src/components/UsernameSelector.jsx b/packages/concordia-app/src/components/UsernameSelector.jsx
index 8323757..72d9eb3 100644
--- a/packages/concordia-app/src/components/UsernameSelector.jsx
+++ b/packages/concordia-app/src/components/UsernameSelector.jsx
@@ -6,8 +6,8 @@ import throttle from 'lodash/throttle';
 import { useTranslation } from 'react-i18next';
 import { useSelector } from 'react-redux';
 import PropTypes from 'prop-types';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import { drizzle } from '../redux/store';
-import { FORUM_CONTRACT } from '../constants/contracts/ContractNames';
 
 const { contracts: { [FORUM_CONTRACT]: { methods: { isUserNameTaken } } } } = drizzle;
 
diff --git a/packages/concordia-app/src/constants/configuration/defaults.js b/packages/concordia-app/src/constants/configuration/defaults.js
index c288c9c..5c94c7b 100644
--- a/packages/concordia-app/src/constants/configuration/defaults.js
+++ b/packages/concordia-app/src/constants/configuration/defaults.js
@@ -1,14 +1,2 @@
-export const WEB3_HOST_DEFAULT = '127.0.0.1';
-export const WEB3_PORT_DEFAULT = '8545';
-export const WEB3_PORT_SOCKET_TIMEOUT_DEFAULT = 30000;
-export const WEB3_PORT_SOCKET_CONNECT_MAX_ATTEMPTS_DEFAULT = 3;
-
-export const REACT_APP_CONCORDIA_HOST_DEFAULT = '127.0.0.1';
-export const REACT_APP_CONCORDIA_PORT_DEFAULT = '7000';
-
-export const REACT_APP_RENDEZVOUS_HOST_DEFAULT = '127.0.0.1';
-export const REACT_APP_RENDEZVOUS_PORT_DEFAULT = '9090';
-
-export const REACT_APP_CONTRACTS_SUPPLIER_HOST_DEFAULT = '127.0.0.1';
-export const REACT_APP_CONTRACTS_SUPPLIER_PORT_DEFAULT = '8400';
-export const REACT_APP_CONTRACTS_VERSION_HASH_DEFAULT = 'latest';
+export const CONCORDIA_HOST_DEFAULT = '127.0.0.1';
+export const CONCORDIA_PORT_DEFAULT = '7000';
diff --git a/packages/concordia-app/src/constants/contracts/ContractNames.js b/packages/concordia-app/src/constants/contracts/ContractNames.js
deleted file mode 100644
index 52990a1..0000000
--- a/packages/concordia-app/src/constants/contracts/ContractNames.js
+++ /dev/null
@@ -1,11 +0,0 @@
-export const FORUM_CONTRACT = 'Forum';
-export const POST_VOTING_CONTRACT = 'PostVoting';
-export const VOTING_CONTRACT = 'Voting';
-
-const CONTRACTS = [
-  FORUM_CONTRACT,
-  POST_VOTING_CONTRACT,
-  VOTING_CONTRACT,
-];
-
-export default CONTRACTS;
diff --git a/packages/concordia-app/src/constants/contracts/events/ForumContractEvents.js b/packages/concordia-app/src/constants/contracts/events/ForumContractEvents.js
deleted file mode 100644
index f0f9a34..0000000
--- a/packages/concordia-app/src/constants/contracts/events/ForumContractEvents.js
+++ /dev/null
@@ -1,13 +0,0 @@
-export const USER_SIGNED_UP_EVENT = 'UserSignedUp';
-export const USERNAME_UPDATED_EVENT = 'UsernameUpdated';
-export const TOPIC_CREATED_EVENT = 'TopicCreated';
-export const POST_CREATED_EVENT = 'PostCreated';
-
-const forumContractEvents = [
-  USER_SIGNED_UP_EVENT,
-  USERNAME_UPDATED_EVENT,
-  TOPIC_CREATED_EVENT,
-  POST_CREATED_EVENT,
-];
-
-export default forumContractEvents;
diff --git a/packages/concordia-app/src/constants/contracts/events/index.js b/packages/concordia-app/src/constants/contracts/events/index.js
deleted file mode 100644
index 870bd36..0000000
--- a/packages/concordia-app/src/constants/contracts/events/index.js
+++ /dev/null
@@ -1,8 +0,0 @@
-import { FORUM_CONTRACT } from '../ContractNames';
-import forumContractEvents from './ForumContractEvents';
-
-const appEvents = {
-  [FORUM_CONTRACT]: forumContractEvents,
-};
-
-export default appEvents;
diff --git a/packages/concordia-app/src/options/breezeOptions.js b/packages/concordia-app/src/options/breezeOptions.js
deleted file mode 100644
index ea38e82..0000000
--- a/packages/concordia-app/src/options/breezeOptions.js
+++ /dev/null
@@ -1,42 +0,0 @@
-import { EthereumContractIdentityProvider } from '@ezerous/eth-identity-provider';
-import databases from '../constants/orbit/OrbitDatabases';
-import {
-  REACT_APP_RENDEZVOUS_HOST_DEFAULT,
-  REACT_APP_RENDEZVOUS_PORT_DEFAULT,
-} from '../constants/configuration/defaults';
-
-const REACT_APP_RENDEZVOUS_HOST = process.env.REACT_APP_RENDEZVOUS_HOST || REACT_APP_RENDEZVOUS_HOST_DEFAULT;
-const REACT_APP_RENDEZVOUS_PORT = process.env.REACT_APP_RENDEZVOUS_PORT || REACT_APP_RENDEZVOUS_PORT_DEFAULT;
-
-export const RENDEZVOUS_URL = `http://${REACT_APP_RENDEZVOUS_HOST}:${REACT_APP_RENDEZVOUS_PORT}`;
-
-const breezeOptions = {
-  ipfs: {
-    repo: 'concordia',
-    config: {
-      Addresses: {
-        Swarm: [
-          // Use local signaling server (see also rendezvous script in package.json)
-          // For more information: https://github.com/libp2p/js-libp2p-webrtc-star
-          `/ip4/${REACT_APP_RENDEZVOUS_HOST}/tcp/${REACT_APP_RENDEZVOUS_PORT}/wss/p2p-webrtc-star`,
-
-          // Use the following public servers if needed
-          // '/dns4/wrtc-star1.par.dwebops.pub/tcp/443/wss/p2p-webrtc-star',
-          // '/dns4/ wrtc-star2.sjc.dwebops.pub/tcp/443/wss/p2p-webrtc-star'
-        ],
-      },
-    },
-    preload: {
-      enabled: false,
-    },
-    init: {
-      emptyRepo: true,
-    },
-  },
-  orbit: {
-    identityProvider: EthereumContractIdentityProvider,
-    databases,
-  },
-};
-
-export default breezeOptions;
diff --git a/packages/concordia-app/src/options/drizzleOptions.js b/packages/concordia-app/src/options/drizzleOptions.js
index 9bb664d..ba6b211 100644
--- a/packages/concordia-app/src/options/drizzleOptions.js
+++ b/packages/concordia-app/src/options/drizzleOptions.js
@@ -1,17 +1,18 @@
 // Check out the documentation: https://truffleframework.com/docs/drizzle/reference/drizzle-options
 import { contracts } from 'concordia-contracts';
-import web3Options from './web3Options';
-import appEvents from '../constants/contracts/events';
+import { getWeb3Configuration } from 'concordia-shared/src/configuration/web3Configuration';
+import Web3 from 'web3';
+import appEvents from 'concordia-shared/src/constants/contracts/events';
 import downloadContractArtifactsSync from '../utils/drizzleUtils';
 
 const drizzleOptions = {
-  web3: web3Options,
+  web3: getWeb3Configuration(Web3),
   events: { ...appEvents },
   reloadWindowOnNetworkChange: true,
   reloadWindowOnAccountChange: true, // We need it to reinitialize breeze and create new Orbit databases
 };
 
-if (process.env.REACT_APP_USE_EXTERNAL_CONTRACTS_SUPPLIER) {
+if (process.env.REACT_APP_USE_EXTERNAL_CONTRACTS_PROVIDER) {
   drizzleOptions.contracts = downloadContractArtifactsSync();
 } else {
   drizzleOptions.contracts = contracts;
diff --git a/packages/concordia-app/src/options/web3Options.js b/packages/concordia-app/src/options/web3Options.js
deleted file mode 100644
index ded958c..0000000
--- a/packages/concordia-app/src/options/web3Options.js
+++ /dev/null
@@ -1,29 +0,0 @@
-import Web3 from 'web3';
-import {
-  WEB3_HOST_DEFAULT,
-  WEB3_PORT_DEFAULT,
-  WEB3_PORT_SOCKET_CONNECT_MAX_ATTEMPTS_DEFAULT,
-  WEB3_PORT_SOCKET_TIMEOUT_DEFAULT,
-} from '../constants/configuration/defaults';
-
-const { WEB3_HOST, WEB3_PORT, WEBSOCKET_TIMEOUT } = process.env;
-
-const web3WebsocketOptions = {
-  keepAlive: true,
-  timeout: WEBSOCKET_TIMEOUT !== undefined ? WEBSOCKET_TIMEOUT : WEB3_PORT_SOCKET_TIMEOUT_DEFAULT,
-  reconnect: {
-    maxAttempts: WEB3_PORT_SOCKET_CONNECT_MAX_ATTEMPTS_DEFAULT,
-  },
-};
-
-const web3 = (WEB3_HOST !== undefined && WEB3_PORT !== undefined)
-  ? new Web3(new Web3.providers.WebsocketProvider(`ws://${WEB3_HOST}:${WEB3_PORT}`))
-  : new Web3(Web3.givenProvider || new Web3.providers.WebsocketProvider(
-    `ws://${WEB3_HOST_DEFAULT}:${WEB3_PORT_DEFAULT}`, web3WebsocketOptions,
-  ));
-
-const web3Options = {
-  customProvider: web3,
-};
-
-export default web3Options;
diff --git a/packages/concordia-app/src/redux/actions/contractEventActions.js b/packages/concordia-app/src/redux/actions/contractEventActions.js
index a7b250e..36a7aea 100644
--- a/packages/concordia-app/src/redux/actions/contractEventActions.js
+++ b/packages/concordia-app/src/redux/actions/contractEventActions.js
@@ -3,7 +3,7 @@ import {
   TOPIC_CREATED_EVENT,
   USER_SIGNED_UP_EVENT,
   USERNAME_UPDATED_EVENT,
-} from '../../constants/contracts/events/ForumContractEvents';
+} from 'concordia-shared/src/constants/contracts/events/ForumContractEvents';
 
 export const FORUM_EVENT_USER_SIGNED_UP = 'FORUM_EVENT_USER_SIGNED_UP';
 export const FORUM_EVENT_USERNAME_UPDATED = 'FORUM_EVENT_USERNAME_UPDATED';
diff --git a/packages/concordia-app/src/redux/sagas/orbitSaga.js b/packages/concordia-app/src/redux/sagas/orbitSaga.js
index 385295b..1e3a8c4 100644
--- a/packages/concordia-app/src/redux/sagas/orbitSaga.js
+++ b/packages/concordia-app/src/redux/sagas/orbitSaga.js
@@ -7,7 +7,7 @@ import { drizzleActions } from '@ezerous/drizzle';
 
 import { contracts } from 'concordia-contracts';
 import { EthereumContractIdentityProvider } from '@ezerous/eth-identity-provider';
-import { FORUM_CONTRACT } from '../../constants/contracts/ContractNames';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 
 function* initOrbitDatabases(action) {
   const { account, breeze } = action;
diff --git a/packages/concordia-app/src/redux/sagas/peerDbReplicationSaga.js b/packages/concordia-app/src/redux/sagas/peerDbReplicationSaga.js
index 0ed1896..969195d 100644
--- a/packages/concordia-app/src/redux/sagas/peerDbReplicationSaga.js
+++ b/packages/concordia-app/src/redux/sagas/peerDbReplicationSaga.js
@@ -7,9 +7,9 @@ import {
   ORBIT_DB_REPLICATED,
   ORBIT_DB_WRITE,
 } from '@ezerous/breeze/src/orbit/orbitActions';
+import { POSTS_DATABASE, TOPICS_DATABASE, USER_DATABASE } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
 import determineKVAddress from '../../utils/orbitUtils';
 import { FETCH_USER_DATABASE, UPDATE_ORBIT_DATA } from '../actions/peerDbReplicationActions';
-import { POSTS_DATABASE, TOPICS_DATABASE, USER_DATABASE } from '../../constants/orbit/OrbitDatabases';
 import userDatabaseKeys from '../../constants/orbit/UserDatabaseKeys';
 import { TOPIC_SUBJECT } from '../../constants/orbit/TopicsDatabaseKeys';
 import { POST_CONTENT } from '../../constants/orbit/PostsDatabaseKeys';
diff --git a/packages/concordia-app/src/redux/sagas/userSaga.js b/packages/concordia-app/src/redux/sagas/userSaga.js
index ac06fd2..ed7ae8b 100644
--- a/packages/concordia-app/src/redux/sagas/userSaga.js
+++ b/packages/concordia-app/src/redux/sagas/userSaga.js
@@ -3,9 +3,9 @@ import {
   all, call, put, take, takeLatest,
 } from 'redux-saga/effects';
 import { drizzleActions } from '@ezerous/drizzle';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import { USER_DATA_UPDATED, USER_DATA_ERROR } from '../actions/userActions';
 import { FORUM_EVENT_USER_SIGNED_UP } from '../actions/contractEventActions';
-import { FORUM_CONTRACT } from '../../constants/contracts/ContractNames';
 
 function* fetchUserData({ drizzle, account }) {
   const contract = drizzle.contracts[FORUM_CONTRACT];
diff --git a/packages/concordia-app/src/redux/store.js b/packages/concordia-app/src/redux/store.js
index 8ed1b9e..34dedbe 100644
--- a/packages/concordia-app/src/redux/store.js
+++ b/packages/concordia-app/src/redux/store.js
@@ -4,11 +4,12 @@ import {
 } from '@ezerous/drizzle';
 import { Breeze, breezeReducers } from '@ezerous/breeze';
 import createSagaMiddleware from 'redux-saga';
+import getBreezeConfiguration from 'concordia-shared/src/configuration/breezeConfiguration';
+import { EthereumContractIdentityProvider } from '@ezerous/eth-identity-provider';
 import userReducer from './reducers/userReducer';
 import rootSaga from './sagas/rootSaga';
 import drizzleOptions from '../options/drizzleOptions';
 import peerDbReplicationReducer from './reducers/peerDbReplicationReducer';
-import breezeOptions from '../options/breezeOptions';
 
 const initialState = {
   contracts: generateContractsInitialState(drizzleOptions),
@@ -27,8 +28,12 @@ const store = configureStore({
   preloadedState: initialState,
 });
 
+const breezeConfiguration = getBreezeConfiguration(EthereumContractIdentityProvider,
+  process.env.REACT_APP_RENDEZVOUS_HOST,
+  process.env.REACT_APP_RENDEZVOUS_PORT);
+
 export const drizzle = new Drizzle(drizzleOptions, store);
-export const breeze = new Breeze(breezeOptions, store);
+export const breeze = new Breeze(breezeConfiguration, store);
 
 sagaMiddleware.run(rootSaga);
 export default store;
diff --git a/packages/concordia-app/src/utils/drizzleUtils.js b/packages/concordia-app/src/utils/drizzleUtils.js
index 5496d85..59208f2 100755
--- a/packages/concordia-app/src/utils/drizzleUtils.js
+++ b/packages/concordia-app/src/utils/drizzleUtils.js
@@ -1,26 +1,22 @@
+import { CONTRACTS } from 'concordia-shared/src/constants/contracts/ContractNames';
 import {
-  REACT_APP_CONCORDIA_HOST_DEFAULT,
-  REACT_APP_CONCORDIA_PORT_DEFAULT,
-  REACT_APP_CONTRACTS_SUPPLIER_HOST_DEFAULT,
-  REACT_APP_CONTRACTS_SUPPLIER_PORT_DEFAULT,
-  REACT_APP_CONTRACTS_VERSION_HASH_DEFAULT,
+  contractsProviderHost,
+  contractsProviderPort,
+  contractsVersionHash,
+} from 'concordia-shared/src/environment/interpolated/contractsProvider';
+import {
+  CONCORDIA_HOST_DEFAULT,
+  CONCORDIA_PORT_DEFAULT,
 } from '../constants/configuration/defaults';
-import CONTRACTS from '../constants/contracts/ContractNames';
 
 function getContractsDownloadRequest() {
-  const CONTRACTS_SUPPLIER_HOST = process.env.REACT_APP_CONTRACTS_SUPPLIER_HOST
-      || REACT_APP_CONTRACTS_SUPPLIER_HOST_DEFAULT;
-  const CONTRACTS_SUPPLIER_PORT = process.env.REACT_APP_CONTRACTS_SUPPLIER_PORT
-      || REACT_APP_CONTRACTS_SUPPLIER_PORT_DEFAULT;
-  const CONTRACTS_VERSION_HASH = process.env.REACT_APP_CONTRACTS_VERSION_HASH
-      || REACT_APP_CONTRACTS_VERSION_HASH_DEFAULT;
-  const HOST = process.env.REACT_APP_CONCORDIA_HOST || REACT_APP_CONCORDIA_HOST_DEFAULT;
-  const PORT = process.env.REACT_APP_CONCORDIA_PORT || REACT_APP_CONCORDIA_PORT_DEFAULT;
+  const HOST = process.env.REACT_APP_CONCORDIA_HOST || CONCORDIA_HOST_DEFAULT;
+  const PORT = process.env.REACT_APP_CONCORDIA_PORT || CONCORDIA_PORT_DEFAULT;
 
   const xhrRequest = new XMLHttpRequest();
 
   xhrRequest.open('GET',
-    `http://${CONTRACTS_SUPPLIER_HOST}:${CONTRACTS_SUPPLIER_PORT}/contracts/${CONTRACTS_VERSION_HASH}`,
+    `http://${contractsProviderHost}:${contractsProviderPort}/contracts/${contractsVersionHash}`,
     false);
   xhrRequest.setRequestHeader('Access-Control-Allow-Origin', `${HOST}:${PORT}`);
   xhrRequest.setRequestHeader('Access-Control-Allow-Credentials', 'true');
@@ -40,7 +36,7 @@ function validateRemoteContracts(remoteContracts) {
   }));
 
   if (contractsPresentStatus.reduce((accumulator, contract) => accumulator && contract.present, true)) {
-    throw new Error(`Contracts missing from artifacts. Supplier didn't bring ${contractsPresentStatus
+    throw new Error(`Contracts missing from artifacts. Provider didn't bring ${contractsPresentStatus
       .filter((contractPresentStatus) => contractPresentStatus.present === false)
       .map((contractPresentStatus) => contractPresentStatus.contract)
       .join(', ')}.`);
diff --git a/packages/concordia-app/src/views/Home/index.jsx b/packages/concordia-app/src/views/Home/index.jsx
index 989d684..73613d5 100644
--- a/packages/concordia-app/src/views/Home/index.jsx
+++ b/packages/concordia-app/src/views/Home/index.jsx
@@ -3,10 +3,10 @@ import React, {
 } from 'react';
 import { Container } from 'semantic-ui-react';
 import { useSelector } from 'react-redux';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import Board from './Board';
 import './styles.css';
 import { drizzle } from '../../redux/store';
-import { FORUM_CONTRACT } from '../../constants/contracts/ContractNames';
 
 const { contracts: { [FORUM_CONTRACT]: { methods: { numTopics } } } } = drizzle;
 
diff --git a/packages/concordia-app/src/views/Profile/GeneralTab/EditInformationModal/index.jsx b/packages/concordia-app/src/views/Profile/GeneralTab/EditInformationModal/index.jsx
index 1290c7e..d86f395 100644
--- a/packages/concordia-app/src/views/Profile/GeneralTab/EditInformationModal/index.jsx
+++ b/packages/concordia-app/src/views/Profile/GeneralTab/EditInformationModal/index.jsx
@@ -6,12 +6,12 @@ import {
 } from 'semantic-ui-react';
 import PropTypes from 'prop-types';
 import { useTranslation } from 'react-i18next';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
+import { USER_DATABASE } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
 import checkUrlValid from '../../../../utils/urlUtils';
 import { USER_LOCATION, USER_PROFILE_PICTURE } from '../../../../constants/orbit/UserDatabaseKeys';
-import { USER_DATABASE } from '../../../../constants/orbit/OrbitDatabases';
 import { breeze, drizzle } from '../../../../redux/store';
 import UsernameSelector from '../../../../components/UsernameSelector';
-import { FORUM_CONTRACT } from '../../../../constants/contracts/ContractNames';
 
 const { orbit: { stores } } = breeze;
 const { contracts: { [FORUM_CONTRACT]: { methods: { updateUsername } } } } = drizzle;
diff --git a/packages/concordia-app/src/views/Profile/GeneralTab/index.jsx b/packages/concordia-app/src/views/Profile/GeneralTab/index.jsx
index 2515bea..74fd9ef 100644
--- a/packages/concordia-app/src/views/Profile/GeneralTab/index.jsx
+++ b/packages/concordia-app/src/views/Profile/GeneralTab/index.jsx
@@ -5,8 +5,8 @@ import {
 import PropTypes from 'prop-types';
 import { useDispatch, useSelector } from 'react-redux';
 import { useTranslation } from 'react-i18next';
+import { USER_DATABASE, databases } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
 import determineKVAddress from '../../../utils/orbitUtils';
-import databases, { USER_DATABASE } from '../../../constants/orbit/OrbitDatabases';
 import { FETCH_USER_DATABASE } from '../../../redux/actions/peerDbReplicationActions';
 import { breeze } from '../../../redux/store';
 import { USER_LOCATION, USER_PROFILE_PICTURE } from '../../../constants/orbit/UserDatabaseKeys';
diff --git a/packages/concordia-app/src/views/Profile/index.jsx b/packages/concordia-app/src/views/Profile/index.jsx
index 2126536..7751e51 100644
--- a/packages/concordia-app/src/views/Profile/index.jsx
+++ b/packages/concordia-app/src/views/Profile/index.jsx
@@ -5,8 +5,8 @@ import { Container, Header, Tab } from 'semantic-ui-react';
 import { useSelector } from 'react-redux';
 import { useHistory, useRouteMatch } from 'react-router';
 import { useTranslation } from 'react-i18next';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import { drizzle } from '../../redux/store';
-import { FORUM_CONTRACT } from '../../constants/contracts/ContractNames';
 import CustomLoadingTabPane from '../../components/CustomLoadingTabPane';
 import TopicList from '../../components/TopicList';
 import PostList from '../../components/PostList';
diff --git a/packages/concordia-app/src/views/Register/PersonalInformationStep/index.jsx b/packages/concordia-app/src/views/Register/PersonalInformationStep/index.jsx
index 1ac1cdb..5cf10d9 100644
--- a/packages/concordia-app/src/views/Register/PersonalInformationStep/index.jsx
+++ b/packages/concordia-app/src/views/Register/PersonalInformationStep/index.jsx
@@ -7,10 +7,10 @@ import {
 import { useTranslation } from 'react-i18next';
 import PropTypes from 'prop-types';
 import { useHistory } from 'react-router';
+import { USER_DATABASE } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
 import checkUrlValid from '../../../utils/urlUtils';
 import { breeze } from '../../../redux/store';
 import './styles.css';
-import { USER_DATABASE } from '../../../constants/orbit/OrbitDatabases';
 import { USER_LOCATION, USER_PROFILE_PICTURE } from '../../../constants/orbit/UserDatabaseKeys';
 
 const { orbit: { stores } } = breeze;
diff --git a/packages/concordia-app/src/views/Register/SignUpStep/index.jsx b/packages/concordia-app/src/views/Register/SignUpStep/index.jsx
index 7e8cb8b..e4d494c 100644
--- a/packages/concordia-app/src/views/Register/SignUpStep/index.jsx
+++ b/packages/concordia-app/src/views/Register/SignUpStep/index.jsx
@@ -6,9 +6,9 @@ import { useTranslation } from 'react-i18next';
 import { useSelector } from 'react-redux';
 import { useHistory } from 'react-router';
 import PropTypes from 'prop-types';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
 import { drizzle } from '../../../redux/store';
 import { TRANSACTION_ERROR, TRANSACTION_SUCCESS } from '../../../constants/TransactionStatus';
-import { FORUM_CONTRACT } from '../../../constants/contracts/ContractNames';
 import UsernameSelector from '../../../components/UsernameSelector';
 
 const { contracts: { [FORUM_CONTRACT]: { methods: { signUp } } } } = drizzle;
diff --git a/packages/concordia-app/src/views/Topic/TopicCreate/index.jsx b/packages/concordia-app/src/views/Topic/TopicCreate/index.jsx
index 9fa5759..d43157b 100644
--- a/packages/concordia-app/src/views/Topic/TopicCreate/index.jsx
+++ b/packages/concordia-app/src/views/Topic/TopicCreate/index.jsx
@@ -8,13 +8,13 @@ import { useTranslation } from 'react-i18next';
 import { useHistory } from 'react-router';
 import { useSelector } from 'react-redux';
 import './styles.css';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
+import { TOPIC_CREATED_EVENT } from 'concordia-shared/src/constants/contracts/events/ForumContractEvents';
+import { POSTS_DATABASE, TOPICS_DATABASE } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
 import { drizzle, breeze } from '../../../redux/store';
 import { TRANSACTION_ERROR, TRANSACTION_SUCCESS } from '../../../constants/TransactionStatus';
-import { POSTS_DATABASE, TOPICS_DATABASE } from '../../../constants/orbit/OrbitDatabases';
 import { TOPIC_SUBJECT } from '../../../constants/orbit/TopicsDatabaseKeys';
 import { POST_CONTENT } from '../../../constants/orbit/PostsDatabaseKeys';
-import { FORUM_CONTRACT } from '../../../constants/contracts/ContractNames';
-import { TOPIC_CREATED_EVENT } from '../../../constants/contracts/events/ForumContractEvents';
 
 const { contracts: { [FORUM_CONTRACT]: { methods: { createTopic } } } } = drizzle;
 const { orbit: { stores } } = breeze;
diff --git a/packages/concordia-app/src/views/Topic/TopicView/index.jsx b/packages/concordia-app/src/views/Topic/TopicView/index.jsx
index c0ca6c8..406bb2e 100644
--- a/packages/concordia-app/src/views/Topic/TopicView/index.jsx
+++ b/packages/concordia-app/src/views/Topic/TopicView/index.jsx
@@ -7,16 +7,16 @@ import {
 import { Link } from 'react-router-dom';
 import { useHistory } from 'react-router';
 import TimeAgo from 'react-timeago';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
+import { TOPICS_DATABASE, USER_DATABASE } from 'concordia-shared/src/constants/orbit/OrbitDatabases';
 import { breeze, drizzle } from '../../../redux/store';
 import { FETCH_USER_DATABASE } from '../../../redux/actions/peerDbReplicationActions';
 import './styles.css';
 import PostList from '../../../components/PostList';
-import { TOPICS_DATABASE, USER_DATABASE } from '../../../constants/orbit/OrbitDatabases';
 import determineKVAddress from '../../../utils/orbitUtils';
 import { USER_PROFILE_PICTURE } from '../../../constants/orbit/UserDatabaseKeys';
 import { TOPIC_SUBJECT } from '../../../constants/orbit/TopicsDatabaseKeys';
 import PostCreate from '../../../components/PostCreate';
-import { FORUM_CONTRACT } from '../../../constants/contracts/ContractNames';
 
 const { contracts: { [FORUM_CONTRACT]: { methods: { getTopic: { cacheCall: getTopicChainData } } } } } = drizzle;
 const { orbit } = breeze;
diff --git a/packages/concordia-contracts-provider/package.json b/packages/concordia-contracts-provider/package.json
index 7bdc166..9dd2629 100755
--- a/packages/concordia-contracts-provider/package.json
+++ b/packages/concordia-contracts-provider/package.json
@@ -5,10 +5,12 @@
   "private": true,
   "main": "src/index.js",
   "scripts": {
-    "start": "node -r esm src/index.js"
+    "start": "node -r esm src/index.js",
+    "lint": "eslint --ext js,jsx . --format table"
   },
   "license": "MIT",
   "dependencies": {
+    "concordia-shared": "~0.1.0",
     "cors": "^2.8.5",
     "esm": "~3.2.25",
     "express": "^4.17.1",
diff --git a/packages/concordia-contracts-provider/src/constants.js b/packages/concordia-contracts-provider/src/constants.js
index fbe54de..4c65196 100755
--- a/packages/concordia-contracts-provider/src/constants.js
+++ b/packages/concordia-contracts-provider/src/constants.js
@@ -1,11 +1,9 @@
 import path from 'path';
 
-const PROVIDER_PORT = '8400';
 const UPLOAD_CONTRACTS_DIRECTORY = path.join(__dirname, '..', 'contracts-uploads');
 const CORS_ALLOWED_ORIGINS = ['http://127.0.0.1:7000', 'http://localhost:7000'];
 
 export default {
-  port: PROVIDER_PORT,
   uploadsDirectory: UPLOAD_CONTRACTS_DIRECTORY,
   corsAllowedOrigins: CORS_ALLOWED_ORIGINS,
 };
diff --git a/packages/concordia-contracts-provider/src/index.js b/packages/concordia-contracts-provider/src/index.js
index 0d8ddf4..0b2f2a6 100755
--- a/packages/concordia-contracts-provider/src/index.js
+++ b/packages/concordia-contracts-provider/src/index.js
@@ -1,9 +1,9 @@
 import express from 'express';
 import cors from 'cors';
+import { contractsProviderPort } from 'concordia-shared/src/environment/interpolated/contractsProvider';
 import initRoutes from './routes/web';
 import constants from './constants';
 
-const PROVIDER_PORT = process.env.CONTRACTS_PROVIDER_PORT || constants.port;
 const ALLOWED_ORIGINS = process.env.CORS_ALLOWED_ORIGINS
   ? process.env.CORS_ALLOWED_ORIGINS.split(';')
   : constants.corsAllowedOrigins;
@@ -20,6 +20,6 @@ app.use(cors(corsOptions));
 
 initRoutes(app);
 
-app.listen(PROVIDER_PORT, () => {
-  console.log(`Contracts provider listening at http://127.0.0.1:${PROVIDER_PORT}`);
+app.listen(contractsProviderPort, () => {
+  console.log(`Contracts provider listening at http://127.0.0.1:${contractsProviderPort}`);
 });
diff --git a/packages/concordia-contracts/.eslintrc.js b/packages/concordia-contracts/.eslintrc.js
index f4fd0dd..eb1cf53 100644
--- a/packages/concordia-contracts/.eslintrc.js
+++ b/packages/concordia-contracts/.eslintrc.js
@@ -32,7 +32,7 @@ module.exports = {
         'no-console': 'warn',
         'no-shadow': 'warn',
         'no-multi-str': 'warn',
-        'one-var': ["error", { "uninitialized": "always" }],
+        'one-var': ["error", {"uninitialized": "always"}],
         'one-var-declaration-per-line': ['error', 'initializations']
     },
     'settings': {
diff --git a/packages/concordia-contracts/constants/config/defaults.js b/packages/concordia-contracts/constants/config/defaults.js
deleted file mode 100644
index 10941e0..0000000
--- a/packages/concordia-contracts/constants/config/defaults.js
+++ /dev/null
@@ -1,21 +0,0 @@
-const DEVELOP_CHAIN_HOST_DEFAULT = '127.0.0.1';
-const DEVELOP_CHAIN_PORT_DEFAULT = '8545';
-
-const TEST_CHAIN_HOST_DEFAULT = '127.0.0.1';
-const TEST_CHAIN_PORT_DEFAULT = '8546';
-
-const CONTRACTS_PROVIDER_HOST_DEFAULT = '127.0.0.1';
-const CONTRACTS_PROVIDER_PORT_DEFAULT = '8400';
-
-module.exports = {
-  develop: {
-    chainHost: DEVELOP_CHAIN_HOST_DEFAULT,
-    chainPort: DEVELOP_CHAIN_PORT_DEFAULT,
-  },
-  test: {
-    chainHost: TEST_CHAIN_HOST_DEFAULT,
-    chainPort: TEST_CHAIN_PORT_DEFAULT,
-  },
-  contractsProviderHost: CONTRACTS_PROVIDER_HOST_DEFAULT,
-  contractsProviderPort: CONTRACTS_PROVIDER_PORT_DEFAULT,
-};
diff --git a/packages/concordia-contracts/package.json b/packages/concordia-contracts/package.json
index 37a9028..6c46a16 100644
--- a/packages/concordia-contracts/package.json
+++ b/packages/concordia-contracts/package.json
@@ -17,6 +17,7 @@
   },
   "dependencies": {
     "@openzeppelin/contracts": "~3.3.0",
+    "concordia-shared": "~0.1.0",
     "truffle": "~5.1.58",
     "unirest": "^0.6.0"
   },
diff --git a/packages/concordia-contracts/truffle-config.js b/packages/concordia-contracts/truffle-config.js
index 6d07a9f..2467673 100644
--- a/packages/concordia-contracts/truffle-config.js
+++ b/packages/concordia-contracts/truffle-config.js
@@ -1,9 +1,6 @@
 const path = require('path');
-const defaults = require('./constants/config/defaults');
-
-const {
-  CHAIN_HOST, CHAIN_PORT,
-} = process.env;
+const web3EnvInterpolated = require('concordia-shared/src/environment/interpolated/web3');
+const configurationDefaults = require('concordia-shared/src/constants/configuration/defaults');
 
 module.exports = {
   // See <http://truffleframework.com/docs/advanced/configuration>
@@ -16,18 +13,18 @@ module.exports = {
   contracts_build_directory: path.join(__dirname, 'build/'),
   networks: {
     develop: {
-      host: defaults.develop.chainHost,
-      port: defaults.develop.chainPort,
+      host: configurationDefaults.web3.develop.chainHost,
+      port: configurationDefaults.web3.develop.chainPort,
       network_id: '*',
     },
     test: {
-      host: defaults.test.chainHost,
-      port: defaults.test.chainPort,
+      host: configurationDefaults.web3.test.chainHost,
+      port: configurationDefaults.web3.test.chainPort,
       network_id: '*',
     },
     env: {
-      host: CHAIN_HOST,
-      port: CHAIN_PORT,
+      host: web3EnvInterpolated.web3Host,
+      port: web3EnvInterpolated.web3Port,
       network_id: '*',
     },
   },
diff --git a/packages/concordia-contracts/utils/contractsProviderUtils.js b/packages/concordia-contracts/utils/contractsProviderUtils.js
index 2bd52a3..5777da1 100644
--- a/packages/concordia-contracts/utils/contractsProviderUtils.js
+++ b/packages/concordia-contracts/utils/contractsProviderUtils.js
@@ -1,13 +1,11 @@
 const path = require('path');
 const unirest = require('unirest');
+const { contractsProviderHost } = require('concordia-shared/src/environment/interpolated/contractsProvider');
+const { contractsProviderPort } = require('concordia-shared/src/environment/interpolated/contractsProvider');
 const { contracts } = require('../index');
-const defaults = require('../constants/config/defaults');
 
 const uploadContractsToProviderUnirest = (versionHash, tag) => {
-  const CONTRACTS_PROVIDER_HOST = process.env.CONTRACTS_PROVIDER_HOST || defaults.contractsProviderHost;
-  const CONTRACTS_PROVIDER_PORT = process.env.CONTRACTS_PROVIDER_PORT || defaults.contractsProviderPort;
-
-  const uploadPath = `http://${CONTRACTS_PROVIDER_HOST}:${CONTRACTS_PROVIDER_PORT}/contracts/${versionHash}`;
+  const uploadPath = `http://${contractsProviderHost}:${contractsProviderPort}/contracts/${versionHash}`;
   const request = unirest('POST', uploadPath)
     .field('tag', tag);
 
diff --git a/packages/concordia-pinner/package.json b/packages/concordia-pinner/package.json
index 65fa4f8..d5b0ccc 100644
--- a/packages/concordia-pinner/package.json
+++ b/packages/concordia-pinner/package.json
@@ -6,13 +6,14 @@
   "main": "src/index.js",
   "scripts": {
     "start": "node -r esm src/index.js",
-    "clean": "rimraf ipfs orbitdb"
+    "clean": "rimraf ipfs orbitdb",
+    "lint": "eslint --ext js,jsx . --format table"
   },
   "license": "MIT",
   "dependencies": {
     "@ezerous/eth-identity-provider": "~0.1.2",
-    "concordia-app": "~0.1.0",
     "concordia-contracts": "~0.1.0",
+    "concordia-shared": "~0.1.0",
     "esm": "~3.2.25",
     "express": "^4.17.1",
     "ipfs": "~0.52.1",
diff --git a/packages/concordia-pinner/src/app.js b/packages/concordia-pinner/src/app.js
index f0eb924..690e450 100644
--- a/packages/concordia-pinner/src/app.js
+++ b/packages/concordia-pinner/src/app.js
@@ -1,7 +1,9 @@
 import express from 'express';
 import _ from 'lodash';
 import isReachable from 'is-reachable';
-import { API_PORT, RENDEZVOUS_URL, WEB3_PROVIDER_URL } from './constants';
+import { pinnerApiPort } from 'concordia-shared/src/environment/interpolated/pinner';
+import getWeb3ProviderUrl from 'concordia-shared/src/utils/web3';
+import getRendezvousUrl from 'concordia-shared/src/utils/rendezvous';
 
 const POLLING_INTERVAL = 1000;
 
@@ -10,8 +12,8 @@ const responseBody = {
     id: '', localAddresses: [], peers: [], totalPeers: 0, repoStats: {},
   },
   orbit: { identity: {}, databases: [] },
-  web3: { url: WEB3_PROVIDER_URL, reachable: false },
-  rendezvous: { url: RENDEZVOUS_URL, reachable: false },
+  web3: { url: getWeb3ProviderUrl(), reachable: false },
+  rendezvous: { url: getRendezvousUrl(), reachable: false },
   timestamp: 0,
 };
 
@@ -26,8 +28,8 @@ async function getStats(orbit) {
     const uniquePeers = _.uniqBy(peers, 'peer');
     const orbitIdentity = orbit.identity;
     const databases = Object.keys(orbit.stores);
-    const isWeb3Reachable = await isReachable(WEB3_PROVIDER_URL);
-    const isRendezvousReachable = await isReachable(RENDEZVOUS_URL);
+    const isWeb3Reachable = await isReachable(getWeb3ProviderUrl());
+    const isRendezvousReachable = await isReachable(getRendezvousUrl());
     const timestamp = +new Date();
 
     responseBody.ipfs.id = id;
@@ -51,8 +53,8 @@ const startAPI = (orbit) => {
     res.send(responseBody);
   });
 
-  app.listen(API_PORT, () => {
-    console.log(`Pinner API at http://localhost:${API_PORT}!`);
+  app.listen(pinnerApiPort, () => {
+    console.log(`Pinner API at http://localhost:${pinnerApiPort}!`);
   });
 
   setInterval(getStats, POLLING_INTERVAL, orbit);
diff --git a/packages/concordia-pinner/src/constants.js b/packages/concordia-pinner/src/constants.js
index e837f85..6a8055f 100644
--- a/packages/concordia-pinner/src/constants.js
+++ b/packages/concordia-pinner/src/constants.js
@@ -1,17 +1,6 @@
-import breezeOptions, { RENDEZVOUS_URL } from 'concordia-app/src/options/breezeOptions';
-import { WEB3_HOST_DEFAULT, WEB3_PORT_DEFAULT } from 'concordia-app/src/constants/configuration/defaults';
 import path from 'path';
+import getBreezeConfiguration from 'concordia-shared/src/configuration/breezeConfiguration';
 
-const { WEB3_HOST, WEB3_PORT } = process.env;
-
-const API_PORT = process.env.PINNER_API_PORT || 4444;
-
-const WEB3_PROVIDER_URL = (WEB3_HOST !== undefined && WEB3_PORT !== undefined)
-  ? `ws://${WEB3_HOST}:${WEB3_PORT}`
-  : `ws://${WEB3_HOST_DEFAULT}:${WEB3_PORT_DEFAULT}`;
-
-export const swarmAddresses = breezeOptions.ipfs.config.Addresses.Swarm;
+export const swarmAddresses = getBreezeConfiguration().ipfs.config.Addresses.Swarm;
 
 export const ORBIT_DIRECTORY_DEFAULT = path.join(__dirname, '..', 'orbitdb');
-
-export { API_PORT, WEB3_PROVIDER_URL, RENDEZVOUS_URL };
diff --git a/packages/concordia-pinner/src/index.js b/packages/concordia-pinner/src/index.js
index 57566b8..401bced 100644
--- a/packages/concordia-pinner/src/index.js
+++ b/packages/concordia-pinner/src/index.js
@@ -2,10 +2,10 @@ import Web3 from 'web3';
 import Contract from 'web3-eth-contract';
 import IPFS from 'ipfs';
 import { contracts } from 'concordia-contracts';
-import { FORUM_CONTRACT } from 'concordia-app/src/constants/contracts/ContractNames';
+import { FORUM_CONTRACT } from 'concordia-shared/src/constants/contracts/ContractNames';
+import getWeb3ProviderUrl from 'concordia-shared/src/utils/web3';
 import { createOrbitInstance, getPeerDatabases, openKVDBs } from './utils/orbitUtils';
 import ipfsOptions from './options/ipfsOptions';
-import { WEB3_PROVIDER_URL } from './constants';
 import startAPI from './app';
 
 process.on('unhandledRejection', (error) => {
@@ -26,7 +26,7 @@ const getDeployedContract = async (web3) => {
   return web3.eth.net.getId()
     .then((networkId) => forumContract.networks[networkId].address)
     .then((contractAddress) => {
-      Contract.setProvider(WEB3_PROVIDER_URL);
+      Contract.setProvider(getWeb3ProviderUrl());
       const contract = new Contract(forumContract.abi, contractAddress);
 
       return { contract, contractAddress };
@@ -54,7 +54,7 @@ const handleWeb3LogEvent = (web3, eventJsonInterface, orbit) => (error, result)
 
 const main = async () => {
   console.log('Initializing...');
-  const web3 = new Web3(new Web3.providers.WebsocketProvider(WEB3_PROVIDER_URL));
+  const web3 = new Web3(new Web3.providers.WebsocketProvider(getWeb3ProviderUrl()));
 
   getDeployedContract(web3)
     .then(({ contract, contractAddress }) => IPFS.create(ipfsOptions)
diff --git a/packages/concordia-shared/.eslintrc.js b/packages/concordia-shared/.eslintrc.js
new file mode 100644
index 0000000..96481bd
--- /dev/null
+++ b/packages/concordia-shared/.eslintrc.js
@@ -0,0 +1,60 @@
+module.exports = {
+    'env': {
+        'browser': true,
+        'es6': true,
+        'jest': true
+    },
+    'extends': [
+        'plugin:react/recommended',
+        'airbnb'
+    ],
+    'globals': {
+        'Atomics': 'readonly',
+        'SharedArrayBuffer': 'readonly'
+    },
+    parser: 'babel-eslint',
+    'parserOptions': {
+        'ecmaFeatures': {
+            'jsx': true
+        },
+        'ecmaVersion': 2018,
+        'sourceType': 'module'
+    },
+    'plugins': [
+        'react',
+        'react-hooks',
+    ],
+    'rules': {
+        'react/jsx-props-no-spreading': 'off',
+        'import/extensions': 'off',
+        "react/jsx-indent": [
+            'error',
+            4,
+            {
+                checkAttributes: true,
+                indentLogicalExpressions: true
+            }
+        ],
+        'react/require-default-props': 'off',
+        'react/prop-types': 'off',
+        'react-hooks/rules-of-hooks': 'error',
+        'react-hooks/exhaustive-deps': 'error',
+        'max-len': ['warn', {'code': 120, 'tabWidth': 4}],
+        'no-unused-vars': 'warn',
+        'no-console': 'warn',
+        'no-shadow': 'warn',
+        "no-multi-str": "warn",
+        "jsx-a11y/label-has-associated-control": [ 2, {
+            "labelAttributes": ["label"],
+            "controlComponents": ["Input"],
+            "depth": 3,
+        }],
+    },
+    'settings': {
+        'import/resolver': {
+            'node': {
+                'extensions': ['.js', '.jsx']
+            }
+        }
+    },
+};
diff --git a/packages/concordia-shared/package.json b/packages/concordia-shared/package.json
new file mode 100644
index 0000000..a57542d
--- /dev/null
+++ b/packages/concordia-shared/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "concordia-shared",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "lint": "eslint --ext js,jsx . --format table"
+  },
+  "devDependencies": {
+    "eslint": "^6.8.0",
+    "eslint-config-airbnb": "^18.1.0",
+    "eslint-plugin-import": "^2.20.2",
+    "eslint-plugin-jsx-a11y": "^6.2.3",
+    "eslint-plugin-react": "^7.19.0",
+    "eslint-plugin-react-hooks": "^4.2.0"
+  }
+}
diff --git a/packages/concordia-shared/src/configuration/breezeConfiguration.js b/packages/concordia-shared/src/configuration/breezeConfiguration.js
new file mode 100644
index 0000000..e1ab0e0
--- /dev/null
+++ b/packages/concordia-shared/src/configuration/breezeConfiguration.js
@@ -0,0 +1,33 @@
+const { databases } = require('../constants/orbit/OrbitDatabases');
+const { rendezvousHost, rendezvousPort } = require('../environment/interpolated/rendezvous');
+
+const getBreezeConfiguration = (identityProvider) => ({
+  ipfs: {
+    repo: 'concordia',
+    config: {
+      Addresses: {
+        Swarm: [
+          // Use local signaling server (see also rendezvous script in package.json)
+          // For more information: https://github.com/libp2p/js-libp2p-webrtc-star
+          `/ip4/${rendezvousHost}/tcp/${rendezvousPort}/wss/p2p-webrtc-star`,
+
+          // Use the following public servers if needed
+          // '/dns4/wrtc-star1.par.dwebops.pub/tcp/443/wss/p2p-webrtc-star',
+          // '/dns4/ wrtc-star2.sjc.dwebops.pub/tcp/443/wss/p2p-webrtc-star'
+        ],
+      },
+    },
+    preload: {
+      enabled: false,
+    },
+    init: {
+      emptyRepo: true,
+    },
+  },
+  orbit: {
+    identityProvider,
+    databases,
+  },
+});
+
+module.exports = getBreezeConfiguration;
diff --git a/packages/concordia-shared/src/configuration/web3Configuration.js b/packages/concordia-shared/src/configuration/web3Configuration.js
new file mode 100644
index 0000000..91a10a8
--- /dev/null
+++ b/packages/concordia-shared/src/configuration/web3Configuration.js
@@ -0,0 +1,25 @@
+const getWeb3ProviderUrl = require('../utils/web3');
+const { web3PortSocketConnectMaxAttempts, web3PortSocketTimeout } = require('../environment/interpolated/web3');
+const { web3HostEnv, web3PortEnv } = require('../environment/web3Env');
+
+const getWeb3Configuration = (Web3) => {
+  const web3WebsocketOptions = {
+    keepAlive: true,
+    timeout: web3PortSocketTimeout,
+    reconnect: {
+      maxAttempts: web3PortSocketConnectMaxAttempts,
+    },
+  };
+
+  const web3 = (web3HostEnv !== undefined && web3PortEnv !== undefined)
+    ? new Web3(new Web3.providers.WebsocketProvider(getWeb3ProviderUrl()))
+    : new Web3(Web3.givenProvider || new Web3.providers.WebsocketProvider(getWeb3ProviderUrl(), web3WebsocketOptions));
+
+  return {
+    customProvider: web3,
+  };
+};
+
+module.exports = {
+  getWeb3Configuration,
+};
diff --git a/packages/concordia-shared/src/constants/configuration/defaults.js b/packages/concordia-shared/src/constants/configuration/defaults.js
new file mode 100644
index 0000000..07ee374
--- /dev/null
+++ b/packages/concordia-shared/src/constants/configuration/defaults.js
@@ -0,0 +1,46 @@
+// Contracts provider
+const CONTRACTS_PROVIDER_HOST_DEFAULT = '127.0.0.1';
+const CONTRACTS_PROVIDER_PORT_DEFAULT = '8400';
+const CONTRACTS_VERSION_HASH_DEFAULT = 'latest';
+
+// Pinner
+const PINNER_API_PORT_DEFAULT = 4444;
+
+// Rendezvous
+const RENDEZVOUS_HOST_DEFAULT = '127.0.0.1';
+const RENDEZVOUS_PORT_DEFAULT = '9090';
+
+// Web3 (probably ganache)
+const WEB3_HOST_DEFAULT = '127.0.0.1';
+const WEB3_PORT_DEFAULT = '8545';
+const WEB3_HOST_TEST_DEFAULT = '127.0.0.1';
+const WEB3_PORT_TEST_DEFAULT = '8546';
+const WEB3_PORT_SOCKET_TIMEOUT_DEFAULT = 30000;
+const WEB3_PORT_SOCKET_CONNECT_MAX_ATTEMPTS_DEFAULT = 3;
+
+module.exports = Object.freeze({
+  contractsProvider: {
+    host: CONTRACTS_PROVIDER_HOST_DEFAULT,
+    port: CONTRACTS_PROVIDER_PORT_DEFAULT,
+    hash: CONTRACTS_VERSION_HASH_DEFAULT,
+  },
+  pinner: {
+    port: PINNER_API_PORT_DEFAULT,
+  },
+  rendezvous: {
+    host: RENDEZVOUS_HOST_DEFAULT,
+    port: RENDEZVOUS_PORT_DEFAULT,
+  },
+  web3: {
+    develop: {
+      chainHost: WEB3_HOST_DEFAULT,
+      chainPort: WEB3_PORT_DEFAULT,
+    },
+    test: {
+      chainHost: WEB3_HOST_TEST_DEFAULT,
+      chainPort: WEB3_PORT_TEST_DEFAULT,
+    },
+    socketTimeout: WEB3_PORT_SOCKET_TIMEOUT_DEFAULT,
+    socketConnectMaxAttempts: WEB3_PORT_SOCKET_CONNECT_MAX_ATTEMPTS_DEFAULT,
+  },
+});
diff --git a/packages/concordia-shared/src/constants/contracts/ContractNames.js b/packages/concordia-shared/src/constants/contracts/ContractNames.js
new file mode 100644
index 0000000..1e6751d
--- /dev/null
+++ b/packages/concordia-shared/src/constants/contracts/ContractNames.js
@@ -0,0 +1,16 @@
+const FORUM_CONTRACT = 'Forum';
+const POST_VOTING_CONTRACT = 'PostVoting';
+const VOTING_CONTRACT = 'Voting';
+
+const CONTRACTS = [
+  FORUM_CONTRACT,
+  POST_VOTING_CONTRACT,
+  VOTING_CONTRACT,
+];
+
+module.exports = Object.freeze({
+  FORUM_CONTRACT,
+  POST_VOTING_CONTRACT,
+  VOTING_CONTRACT,
+  CONTRACTS,
+});
diff --git a/packages/concordia-shared/src/constants/contracts/events/ForumContractEvents.js b/packages/concordia-shared/src/constants/contracts/events/ForumContractEvents.js
new file mode 100644
index 0000000..4a741db
--- /dev/null
+++ b/packages/concordia-shared/src/constants/contracts/events/ForumContractEvents.js
@@ -0,0 +1,19 @@
+const USER_SIGNED_UP_EVENT = 'UserSignedUp';
+const USERNAME_UPDATED_EVENT = 'UsernameUpdated';
+const TOPIC_CREATED_EVENT = 'TopicCreated';
+const POST_CREATED_EVENT = 'PostCreated';
+
+const forumContractEvents = Object.freeze([
+  USER_SIGNED_UP_EVENT,
+  USERNAME_UPDATED_EVENT,
+  TOPIC_CREATED_EVENT,
+  POST_CREATED_EVENT,
+]);
+
+module.exports = {
+  USER_SIGNED_UP_EVENT,
+  USERNAME_UPDATED_EVENT,
+  TOPIC_CREATED_EVENT,
+  POST_CREATED_EVENT,
+  forumContractEvents,
+};
diff --git a/packages/concordia-shared/src/constants/contracts/events/index.js b/packages/concordia-shared/src/constants/contracts/events/index.js
new file mode 100644
index 0000000..09e71a3
--- /dev/null
+++ b/packages/concordia-shared/src/constants/contracts/events/index.js
@@ -0,0 +1,8 @@
+const forumContractEvents = require('./ForumContractEvents');
+const { FORUM_CONTRACT } = require('../ContractNames');
+
+const appEvents = Object.freeze({
+  [FORUM_CONTRACT]: forumContractEvents,
+});
+
+module.exports = appEvents;
diff --git a/packages/concordia-app/src/constants/orbit/OrbitDatabases.js b/packages/concordia-shared/src/constants/orbit/OrbitDatabases.js
similarity index 50%
rename from packages/concordia-app/src/constants/orbit/OrbitDatabases.js
rename to packages/concordia-shared/src/constants/orbit/OrbitDatabases.js
index bf85018..75048f6 100644
--- a/packages/concordia-app/src/constants/orbit/OrbitDatabases.js
+++ b/packages/concordia-shared/src/constants/orbit/OrbitDatabases.js
@@ -1,6 +1,6 @@
-export const USER_DATABASE = 'user';
-export const TOPICS_DATABASE = 'topics';
-export const POSTS_DATABASE = 'posts';
+const USER_DATABASE = 'user';
+const TOPICS_DATABASE = 'topics';
+const POSTS_DATABASE = 'posts';
 
 const databases = [
   {
@@ -17,4 +17,9 @@ const databases = [
   },
 ];
 
-export default databases;
+module.exports = Object.freeze({
+  USER_DATABASE,
+  TOPICS_DATABASE,
+  POSTS_DATABASE,
+  databases,
+});
diff --git a/packages/concordia-shared/src/environment/contractsProviderEnv.js b/packages/concordia-shared/src/environment/contractsProviderEnv.js
new file mode 100644
index 0000000..3a545ca
--- /dev/null
+++ b/packages/concordia-shared/src/environment/contractsProviderEnv.js
@@ -0,0 +1,14 @@
+// Depending on the package user (app in contrast to any of the other packages) the env var names should either include
+// the REACT_APP_ prefix or not
+const contractsProviderHostEnv = process.env.REACT_APP_CONTRACTS_PROVIDER_HOST
+    || process.env.CONTRACTS_PROVIDER_HOST;
+const contractsProviderPortEnv = process.env.REACT_APP_CONTRACTS_PROVIDER_PORT
+    || process.env.CONTRACTS_PROVIDER_PORT;
+const contractsVersionHashEnv = process.env.REACT_APP_CONTRACTS_VERSION_HASH
+    || process.env.CONTRACTS_VERSION_HASH;
+
+module.exports = {
+  contractsProviderHostEnv,
+  contractsProviderPortEnv,
+  contractsVersionHashEnv,
+};
diff --git a/packages/concordia-shared/src/environment/interpolated/contractsProvider.js b/packages/concordia-shared/src/environment/interpolated/contractsProvider.js
new file mode 100644
index 0000000..ea4537e
--- /dev/null
+++ b/packages/concordia-shared/src/environment/interpolated/contractsProvider.js
@@ -0,0 +1,21 @@
+const {
+  contractsProviderHostEnv, contractsProviderPortEnv, contractsVersionHashEnv,
+} = require('../contractsProviderEnv');
+
+const {
+  contractsProvider: {
+    host: CONTRACTS_PROVIDER_HOST_DEFAULT,
+    port: CONTRACTS_PROVIDER_PORT_DEFAULT,
+    hash: CONTRACTS_VERSION_HASH_DEFAULT,
+  },
+} = require('../../constants/configuration/defaults');
+
+const contractsProviderHost = contractsProviderHostEnv || CONTRACTS_PROVIDER_HOST_DEFAULT;
+const contractsProviderPort = contractsProviderPortEnv || CONTRACTS_PROVIDER_PORT_DEFAULT;
+const contractsVersionHash = contractsVersionHashEnv || CONTRACTS_VERSION_HASH_DEFAULT;
+
+module.exports = {
+  contractsProviderHost,
+  contractsProviderPort,
+  contractsVersionHash,
+};
diff --git a/packages/concordia-shared/src/environment/interpolated/pinner.js b/packages/concordia-shared/src/environment/interpolated/pinner.js
new file mode 100644
index 0000000..5c81a88
--- /dev/null
+++ b/packages/concordia-shared/src/environment/interpolated/pinner.js
@@ -0,0 +1,12 @@
+const {
+  pinner: {
+    port: PINNER_API_PORT_DEFAULT,
+  },
+} = require('../../constants/configuration/defaults');
+const { pinnerApiPortEnv } = require('../pinnerEnv');
+
+const pinnerApiPort = pinnerApiPortEnv || PINNER_API_PORT_DEFAULT;
+
+module.exports = {
+  pinnerApiPort,
+};
diff --git a/packages/concordia-shared/src/environment/interpolated/rendezvous.js b/packages/concordia-shared/src/environment/interpolated/rendezvous.js
new file mode 100644
index 0000000..d683408
--- /dev/null
+++ b/packages/concordia-shared/src/environment/interpolated/rendezvous.js
@@ -0,0 +1,15 @@
+const { rendezvousHostEnv, rendezvousPortEnv } = require('../rendezvousEnv');
+const {
+  rendezvous: {
+    host: RENDEZVOUS_HOST_DEFAULT,
+    port: RENDEZVOUS_PORT_DEFAULT,
+  },
+} = require('../../constants/configuration/defaults');
+
+const rendezvousHost = rendezvousHostEnv || RENDEZVOUS_HOST_DEFAULT;
+const rendezvousPort = rendezvousPortEnv || RENDEZVOUS_PORT_DEFAULT;
+
+module.exports = {
+  rendezvousHost,
+  rendezvousPort,
+};
diff --git a/packages/concordia-shared/src/environment/interpolated/shared.js b/packages/concordia-shared/src/environment/interpolated/shared.js
new file mode 100644
index 0000000..6cf342a
--- /dev/null
+++ b/packages/concordia-shared/src/environment/interpolated/shared.js
@@ -0,0 +1,9 @@
+const contractsProvider = require('./contractsProvider');
+const rendezvous = require('./rendezvous');
+const web3 = require('./web3');
+
+module.exports = {
+  contractsProvider,
+  rendezvous,
+  web3,
+};
diff --git a/packages/concordia-shared/src/environment/interpolated/web3.js b/packages/concordia-shared/src/environment/interpolated/web3.js
new file mode 100644
index 0000000..4fe1e9d
--- /dev/null
+++ b/packages/concordia-shared/src/environment/interpolated/web3.js
@@ -0,0 +1,37 @@
+const {
+  web3: {
+    develop: {
+      chainHost: WEB3_HOST_DEFAULT,
+      chainPort: WEB3_PORT_DEFAULT,
+    },
+    test: {
+      chainHost: WEB3_HOST_TEST_DEFAULT,
+      chainPort: WEB3_PORT_TEST_DEFAULT,
+    },
+    socketConnectMaxAttempts: WEB3_PORT_SOCKET_CONNECT_MAX_ATTEMPTS_DEFAULT,
+    socketTimeout: WEB3_PORT_SOCKET_TIMEOUT_DEFAULT,
+  },
+} = require('../../constants/configuration/defaults');
+const {
+  web3HostEnv, web3HostTestEnv, web3PortEnv, web3PortSocketConnectMaxAttemptsEnv, web3PortSocketTimeoutEnv,
+  web3PortTestEnv,
+} = require('../web3Env');
+
+const web3Host = web3HostEnv || WEB3_HOST_DEFAULT;
+const web3Port = web3PortEnv || WEB3_PORT_DEFAULT;
+
+const web3HostTest = web3HostTestEnv || WEB3_HOST_TEST_DEFAULT;
+const web3PortTest = web3PortTestEnv || WEB3_PORT_TEST_DEFAULT;
+
+const web3PortSocketTimeout = web3PortSocketTimeoutEnv || WEB3_PORT_SOCKET_TIMEOUT_DEFAULT;
+const web3PortSocketConnectMaxAttempts = web3PortSocketConnectMaxAttemptsEnv
+    || WEB3_PORT_SOCKET_CONNECT_MAX_ATTEMPTS_DEFAULT;
+
+module.exports = {
+  web3Host,
+  web3Port,
+  web3HostTest,
+  web3PortTest,
+  web3PortSocketTimeout,
+  web3PortSocketConnectMaxAttempts,
+};
diff --git a/packages/concordia-shared/src/environment/pinnerEnv.js b/packages/concordia-shared/src/environment/pinnerEnv.js
new file mode 100644
index 0000000..2ab5cbf
--- /dev/null
+++ b/packages/concordia-shared/src/environment/pinnerEnv.js
@@ -0,0 +1,7 @@
+// Depending on the package user (app in contrast to any of the other packages) the env var names should either include
+// the REACT_APP_ prefix or not
+const pinnerApiPortEnv = process.env.REACT_APP_PINNER_API_PORT || process.env.PINNER_API_PORT;
+
+module.exports = {
+  pinnerApiPortEnv,
+};
diff --git a/packages/concordia-shared/src/environment/rendezvousEnv.js b/packages/concordia-shared/src/environment/rendezvousEnv.js
new file mode 100644
index 0000000..44f8965
--- /dev/null
+++ b/packages/concordia-shared/src/environment/rendezvousEnv.js
@@ -0,0 +1,9 @@
+// Depending on the package user (app in contrast to any of the other packages) the env var names should either include
+// the REACT_APP_ prefix or not
+const rendezvousHostEnv = process.env.REACT_APP_RENDEZVOUS_HOST || process.env.RENDEZVOUS_HOST;
+const rendezvousPortEnv = process.env.REACT_APP_RENDEZVOUS_PORT || process.env.RENDEZVOUS_PORT;
+
+module.exports = {
+  rendezvousHostEnv,
+  rendezvousPortEnv,
+};
diff --git a/packages/concordia-shared/src/environment/sharedEnv.js b/packages/concordia-shared/src/environment/sharedEnv.js
new file mode 100644
index 0000000..28c2920
--- /dev/null
+++ b/packages/concordia-shared/src/environment/sharedEnv.js
@@ -0,0 +1,9 @@
+const contractsProvider = require('./contractsProviderEnv');
+const rendezvous = require('./rendezvousEnv');
+const web3 = require('./web3Env');
+
+module.exports = {
+  contractsProvider,
+  rendezvous,
+  web3,
+};
diff --git a/packages/concordia-shared/src/environment/web3Env.js b/packages/concordia-shared/src/environment/web3Env.js
new file mode 100644
index 0000000..7bc2041
--- /dev/null
+++ b/packages/concordia-shared/src/environment/web3Env.js
@@ -0,0 +1,24 @@
+// Depending on the package user (app in contrast to any of the other packages) the env var names should either include
+// the REACT_APP_ prefix or not
+const web3HostEnv = process.env.REACT_APP_WEB3_HOST
+    || process.env.WEB3_HOST;
+const web3PortEnv = process.env.REACT_APP_WEB3_PORT
+    || process.env.WEB3_PORT;
+
+// Web3 test environment shouldn't be available to the react app
+const web3HostTestEnv = process.env.WEB3_HOST_TEST;
+const web3PortTestEnv = process.env.WEB3_PORT_TEST;
+
+const web3PortSocketTimeoutEnv = process.env.REACT_APP_WEB3_PORT_SOCKET_TIMEOUT
+    || process.env.WEB3_PORT_SOCKET_TIMEOUT;
+const web3PortSocketConnectMaxAttemptsEnv = process.env.REACT_APP_WEB3_PORT_SOCKET_CONNECT_MAX_ATTEMPTS
+    || process.env.WEB3_PORT_SOCKET_CONNECT_MAX_ATTEMPTS;
+
+module.exports = {
+  web3HostEnv,
+  web3PortEnv,
+  web3HostTestEnv,
+  web3PortTestEnv,
+  web3PortSocketTimeoutEnv,
+  web3PortSocketConnectMaxAttemptsEnv,
+};
diff --git a/packages/concordia-shared/src/utils/rendezvous.js b/packages/concordia-shared/src/utils/rendezvous.js
new file mode 100644
index 0000000..8d862fc
--- /dev/null
+++ b/packages/concordia-shared/src/utils/rendezvous.js
@@ -0,0 +1,5 @@
+const { rendezvousHost, rendezvousPort } = require('../environment/interpolated/rendezvous');
+
+const getRendezvousUrl = () => `http://${rendezvousHost}:${rendezvousPort}`;
+
+module.exports = getRendezvousUrl;
diff --git a/packages/concordia-shared/src/utils/web3.js b/packages/concordia-shared/src/utils/web3.js
new file mode 100644
index 0000000..4c7adc8
--- /dev/null
+++ b/packages/concordia-shared/src/utils/web3.js
@@ -0,0 +1,6 @@
+const { web3Port } = require('../environment/interpolated/web3');
+const { web3Host } = require('../environment/interpolated/web3');
+
+const getWeb3ProviderUrl = () => `ws://${web3Host}:${web3Port}`;
+
+module.exports = getWeb3ProviderUrl;
diff --git a/yarn.lock b/yarn.lock
index 33dc661..9f8b3cd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5762,9 +5762,9 @@ ee-first@1.1.1:
   integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
 
 ejs@^3.1.5:
-  version "3.1.5"
-  resolved "https://registry.yarnpkg.com/ejs/-/ejs-3.1.5.tgz#aed723844dc20acb4b170cd9ab1017e476a0d93b"
-  integrity sha512-dldq3ZfFtgVTJMLjOe+/3sROTzALlL9E34V4/sDtUd/KlBSS0s6U1/+WPE1B4sj9CXHJpL1M6rhNJnc9Wbal9w==
+  version "3.1.6"
+  resolved "https://registry.yarnpkg.com/ejs/-/ejs-3.1.6.tgz#5bfd0a0689743bb5268b3550cceeebbc1702822a"
+  integrity sha512-9lt9Zse4hPucPkoP7FHDF0LQAlGyF9JVpnClFLFH3aSSbxmyoqINRpp/9wePWJTUl4KOQwRL72Iw3InHPDkoGw==
   dependencies:
     jake "^10.6.1"