diff --git a/docker/Makefile b/docker/Makefile
index 8645f13..3ddded8 100755
--- a/docker/Makefile
+++ b/docker/Makefile
@@ -3,8 +3,8 @@ PACKAGES := $(abspath ${CURDIR}/../packages)
 REPORTS := $(abspath ${CURDIR}/reports)
 GANACHE_VOLUMES := $(abspath ${CURDIR}/ganache/volumes)
 CONTRACTS_PROVIDER_VOLUMES := $(abspath ${CURDIR}/concordia-contracts-provider/volumes)
-DOCKER_BUILDKIT = 1
 PINNER_VOLUMES := $(abspath ${CURDIR}/concordia-pinner/volumes)
+DOCKER_BUILDKIT = 1
 
 run: compose-run build-contracts-provider run-contracts-provider build-contracts-migrate run-contracts-migrate build-pinner run-pinner build-app run-app
 	@echo "Concordia is up and running, head over to http://localhost:7777."
@@ -25,7 +25,7 @@ compose-stop-clean-data:
 build-ganache:
 	@docker build ../ -f ./ganache/Dockerfile -t ecentrics/concordia-ganache
 run-ganache:
-	@docker run -d -v ${GANACHE_VOLUMES}/ganache_keys:/home/ganache_keys -p 8545:8545 --env-file=./env/ganache.env --name concordia-ganache --net=concordia_concordia_network ecentrics/concordia-ganache:latest
+	@docker run -d -v ${GANACHE_VOLUMES}/ganache_keys:/mnt/concordia/ganache_keys -p 8545:8545 --env-file=./env/ganache.env --name concordia-ganache --net=concordia_concordia_network ecentrics/concordia-ganache:latest
 run-ganache-test:
 	@docker run --rm -d -p 8546:8546 --env-file=./env/ganache.test.env --name concordia-ganache-test --net=concordia_concordia_network ecentrics/concordia-ganache:latest
 
@@ -42,15 +42,15 @@ build-contracts-migrate:
 build-contracts-tests:
 	@docker build ../ -f ./concordia-contracts/Dockerfile --target test -t ecentrics/concordia-contracts-tests --build-arg TZ=Europe/Athens
 run-contracts-tests:
-	@docker run --rm -v ${REPORTS}/contracts/:/usr/test-reports/ --env-file=./env/contracts.env --net=concordia_concordia_network ecentrics/concordia-contracts-tests:latest
+	@docker run --rm -v ${REPORTS}/contracts/:/mnt/concordia/test-reports/ --env-file=./env/contracts.env --net=concordia_concordia_network ecentrics/concordia-contracts-tests:latest
 run-contracts-tests-host-chain:
-	@docker run --rm -v ${REPORTS}/contracts/:/usr/test-reports/ --env-file=./env/contracts.env --net=host ecentrics/concordia-contracts-tests:latest
+	@docker run --rm -v ${REPORTS}/contracts/:/mnt/concordia/test-reports/ --env-file=./env/contracts.env --net=host ecentrics/concordia-contracts-tests:latest
 run-contracts-migrate:
 	@docker run --rm -v ${PACKAGES}/concordia-contracts/build/:/usr/src/concordia/packages/concordia-contracts/build/ --env-file=./env/contracts.env --net=concordia_concordia_network ecentrics/concordia-contracts-migrate:latest
 run-contracts-migrate-host-chain:
 	@docker run --rm -v ${PACKAGES}/concordia-contracts/build/:/usr/src/concordia/packages/concordia-contracts/build/ --env-file=./env/contracts.env --net=host ecentrics/concordia-contracts-migrate:latest
 get-contracts:
-	@docker run --rm -v ${PACKAGES}/concordia-contracts/build/:/build --entrypoint=sh ecentrics/concordia-contracts:latest -c 'cp /usr/src/concordia/packages/concordia-contracts/build/* /build'
+	@docker run --rm -v ${PACKAGES}/concordia-contracts/build/:/mnt/concordia/build --entrypoint=sh ecentrics/concordia-contracts:latest -c 'cp /usr/src/concordia/packages/concordia-contracts/build/* /mnt/concordia/build'
 
 # App targets
 build-app:
@@ -60,7 +60,7 @@ build-app-staging:
 build-app-tests:
 	@docker build ../ -f ./concordia-app/Dockerfile --target test -t ecentrics/concordia-app-tests --build-arg TZ=Europe/Athens
 run-app-tests:
-	@docker run --rm -v ${REPORTS}/app/:/usr/test-reports/ --env-file=./env/concordia.env ecentrics/concordia-app-tests:latest
+	@docker run --rm -v ${REPORTS}/app/:/mnt/concordia/test-reports/ --env-file=./env/concordia.env ecentrics/concordia-app-tests:latest
 run-app:
 	@docker run -d --env-file=./env/concordia.env -p 7777:80 --name concordia-app ecentrics/concordia-app:latest
 run-app-staging:
@@ -72,21 +72,21 @@ run-app-host-chain:
 build-contracts-provider:
 	@docker build ../ -f ./concordia-contracts-provider/Dockerfile -t ecentrics/concordia-contracts-provider --build-arg TZ=Europe/Athens
 run-contracts-provider-staging:
-	@docker run -d -v ${CONTRACTS_PROVIDER_VOLUMES}/contracts:/data/contracts --env-file=./env/contracts-provider.env -e NODE_ENV=production -p 8400:8400 --name concordia-contracts-provider --net=concordia_concordia_network ecentrics/concordia-contracts-provider:latest
+	@docker run -d -v ${CONTRACTS_PROVIDER_VOLUMES}/contracts:/mnt/concordia/contracts --env-file=./env/contracts-provider.env -e NODE_ENV=production -p 8400:8400 --name concordia-contracts-provider --net=concordia_concordia_network ecentrics/concordia-contracts-provider:latest
 run-contracts-provider:
-	@docker run -d -v ${CONTRACTS_PROVIDER_VOLUMES}/contracts:/data/contracts --env-file=./env/contracts-provider.env -p 8400:8400 --name concordia-contracts-provider --net=concordia_concordia_network ecentrics/concordia-contracts-provider:latest
+	@docker run -d -v ${CONTRACTS_PROVIDER_VOLUMES}/contracts:/mnt/concordia/contracts --env-file=./env/contracts-provider.env -p 8400:8400 --name concordia-contracts-provider --net=concordia_concordia_network ecentrics/concordia-contracts-provider:latest
 
 # Pinner targets
 build-pinner:
 	@docker build ../ -f ./concordia-pinner/Dockerfile -t ecentrics/concordia-pinner --build-arg TZ=Europe/Athens
 run-pinner-staging:
-	@docker run -d -v ${PINNER_VOLUMES}/orbitdb:/data/orbitdb --env-file=./env/pinner.env -e NODE_ENV=production -p 4444:4444 --name concordia-pinner --net=concordia_concordia_network ecentrics/concordia-pinner:latest
+	@docker run -d -v ${PINNER_VOLUMES}/orbitdb:/mnt/concordia/orbitdb --env-file=./env/pinner.env -e NODE_ENV=production -p 4444:4444 --name concordia-pinner --net=concordia_concordia_network ecentrics/concordia-pinner:latest
 run-pinner:
-	@docker run -d -v ${PINNER_VOLUMES}/orbitdb:/data/orbitdb --env-file=./env/pinner.env -p 4444:4444 --name concordia-pinner --net=concordia_concordia_network ecentrics/concordia-pinner:latest
+	@docker run -d -v ${PINNER_VOLUMES}/orbitdb:/mnt/concordia/orbitdb --env-file=./env/pinner.env -p 4444:4444 --name concordia-pinner --net=concordia_concordia_network ecentrics/concordia-pinner:latest
 run-pinner-staging-host:
-	@docker run -d -v ${PINNER_VOLUMES}/orbitdb:/data/orbitdb --env-file=./env/pinner.env -e NODE_ENV=production --net=host --name concordia-pinner ecentrics/concordia-pinner:latest
+	@docker run -d -v ${PINNER_VOLUMES}/orbitdb:/mnt/concordia/orbitdb --env-file=./env/pinner.env -e NODE_ENV=production --net=host --name concordia-pinner ecentrics/concordia-pinner:latest
 run-pinner-host:
-	@docker run -d -v ${PINNER_VOLUMES}/orbitdb:/data/orbitdb --env-file=./env/pinner.env --net=host --name concordia-pinner ecentrics/concordia-pinner:latest
+	@docker run -d -v ${PINNER_VOLUMES}/orbitdb:/mnt/concordia/orbitdb --env-file=./env/pinner.env --net=host --name concordia-pinner ecentrics/concordia-pinner:latest
 
 # Other
 clean-images:
diff --git a/docker/concordia-app/Dockerfile b/docker/concordia-app/Dockerfile
index 132ec8b..6673dbb 100755
--- a/docker/concordia-app/Dockerfile
+++ b/docker/concordia-app/Dockerfile
@@ -1,7 +1,7 @@
 # --------------------------------------------------
 # Stage 1 (Init application build base)
 # --------------------------------------------------
-FROM node:14-buster as base
+FROM node:14-alpine@sha256:51e341881c2b77e52778921c685e711a186a71b8c6f62ff2edfc6b6950225a2f as base
 LABEL maintainers.1="Apostolos Fanakis <apostolof@auth.gr>"
 LABEL maintainers.2="Panagiotis Nikolaidis <ezerous@gmail.com>"
 LABEL gr.thmmy.ecentrics.concordia-image.name="app"
@@ -17,6 +17,9 @@ COPY ./packages/concordia-contracts/package.json ./packages/concordia-contracts/
 COPY ./packages/concordia-shared/package.json ./packages/concordia-shared/package.json
 COPY ./packages/concordia-app/package.json ./packages/concordia-app/
 
+# Install required packages
+RUN apk update && apk --no-cache add g++ make python
+
 RUN yarn install --frozen-lockfile
 
 # Gets the rest of the source code
@@ -65,7 +68,7 @@ ENTRYPOINT ["yarn", "start"]
 # --------------------------------------------------
 # Stage 4 (Production runtime)
 # --------------------------------------------------
-FROM nginx:1.17-alpine as production
+FROM nginx:1.17-alpine@sha256:01747306a7247dbe928db991eab42e4002118bf636dd85b4ffea05dd907e5b66 as production
 LABEL maintainers.1="Apostolos Fanakis <apostolof@auth.gr>"
 LABEL maintainers.2="Panagiotis Nikolaidis <ezerous@gmail.com"
 LABEL gr.thmmy.ecentrics.concordia-image.name="app"
diff --git a/docker/concordia-app/test-app.sh b/docker/concordia-app/test-app.sh
index 70c4d9d..32a6a76 100644
--- a/docker/concordia-app/test-app.sh
+++ b/docker/concordia-app/test-app.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-yarn lint -f html -o /usr/test-reports/concordia-app-eslint.html --no-color
+yarn lint -f html -o /mnt/concordia/test-reports/concordia-app-eslint.html --no-color
 
 if [ $? -eq 0 ]; then
   echo "TESTS RAN SUCCESSFULLY!"
diff --git a/docker/concordia-contracts-provider/Dockerfile b/docker/concordia-contracts-provider/Dockerfile
index 4fb356e..fc8ef71 100644
--- a/docker/concordia-contracts-provider/Dockerfile
+++ b/docker/concordia-contracts-provider/Dockerfile
@@ -1,7 +1,7 @@
 # --------------------------------------------------
 # Stage 1 (Runtime)
 # --------------------------------------------------
-FROM node:14-alpine as runtime
+FROM node:14-alpine@sha256:51e341881c2b77e52778921c685e711a186a71b8c6f62ff2edfc6b6950225a2f as runtime
 LABEL maintainers.1="Apostolos Fanakis <apostolof@auth.gr>"
 LABEL maintainers.2="Panagiotis Nikolaidis <ezerous@gmail.com>"
 LABEL gr.thmmy.ecentrics.concordia-image.name="contracts-provider"
diff --git a/docker/concordia-contracts/Dockerfile b/docker/concordia-contracts/Dockerfile
index fe3b45c..3c1e1bb 100755
--- a/docker/concordia-contracts/Dockerfile
+++ b/docker/concordia-contracts/Dockerfile
@@ -1,7 +1,7 @@
 # --------------------------------------------------
 # Stage 1 (Init contracts build base)
 # --------------------------------------------------
-FROM node:14-alpine as base
+FROM node:14-alpine@sha256:51e341881c2b77e52778921c685e711a186a71b8c6f62ff2edfc6b6950225a2f as base
 LABEL maintainers.1="Apostolos Fanakis <apostolof@auth.gr>"
 LABEL maintainers.2="Panagiotis Nikolaidis <ezerous@gmail.com>"
 LABEL gr.thmmy.ecentrics.concordia-image.name="contracts"
diff --git a/docker/concordia-contracts/test-contracts.sh b/docker/concordia-contracts/test-contracts.sh
index cbae85d..c8ac042 100644
--- a/docker/concordia-contracts/test-contracts.sh
+++ b/docker/concordia-contracts/test-contracts.sh
@@ -3,9 +3,9 @@
 export CHAIN_HOST="$TEST_CHAIN_HOST"
 export CHAIN_PORT="$TEST_CHAIN_PORT"
 
-yarn _eslint -f html -o /usr/test-reports/concordia-contracts-eslint.html --no-color &&
-  (yarn _solhint >/usr/test-reports/concordia-contracts-solhint.report) &&
-  (yarn test --network env >/usr/test-reports/concordia-contracts-truffle-tests.report)
+yarn _eslint -f html -o /mnt/concordia/test-reports/concordia-contracts-eslint.html --no-color &&
+  (yarn _solhint >/mnt/concordia/test-reports/concordia-contracts-solhint.report) &&
+  (yarn test --network env >/mnt/concordia/test-reports/concordia-contracts-truffle-tests.report)
 
 if [ $? -eq 0 ]; then
   echo "TESTS RAN SUCCESSFULLY!"
diff --git a/docker/concordia-pinner/Dockerfile b/docker/concordia-pinner/Dockerfile
index 3a2bf8b..3c9389c 100644
--- a/docker/concordia-pinner/Dockerfile
+++ b/docker/concordia-pinner/Dockerfile
@@ -1,7 +1,7 @@
 # --------------------------------------------------
 # Stage 1 (Runtime)
 # --------------------------------------------------
-FROM node:14-buster as runtime
+FROM node:14-buster@sha256:32362e2ea89c62d77c86c8f26ad936dbbdc170cd6c06c4d7ff7a809012bb0c32 as runtime
 LABEL maintainers.1="Apostolos Fanakis <apostolof@auth.gr>"
 LABEL maintainers.2="Panagiotis Nikolaidis <ezerous@gmail.com>"
 LABEL gr.thmmy.ecentrics.concordia-image.name="pinner"
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index 9ba19a1..db5f1ea 100755
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -15,7 +15,7 @@ services:
       - 8545:8545
     user: root
     volumes:
-      - ./ganache/volumes/ganache_keys:/home/ganache_keys
+      - ./ganache/volumes/ganache_keys:/mnt/concordia/ganache_keys
     networks:
       concordia_network:
     restart: always
diff --git a/docker/env/contracts-provider.env b/docker/env/contracts-provider.env
index 6903a65..17f9e0d 100644
--- a/docker/env/contracts-provider.env
+++ b/docker/env/contracts-provider.env
@@ -1 +1 @@
-UPLOAD_CONTRACTS_DIRECTORY=/data/contracts/
+UPLOAD_CONTRACTS_DIRECTORY=/mnt/concordia/contracts/
diff --git a/docker/env/pinner.env b/docker/env/pinner.env
index 84fb01e..e3ebe65 100644
--- a/docker/env/pinner.env
+++ b/docker/env/pinner.env
@@ -1,5 +1,5 @@
 USE_EXTERNAL_CONTRACTS_PROVIDER=true
-ORBIT_DIRECTORY=/data/orbitdb
+ORBIT_DIRECTORY=/mnt/concordia/orbitdb
 
 CONTRACTS_PROVIDER_HOST=concordia-contracts-provider
 CONTRACTS_PROVIDER_PORT=8400
diff --git a/docker/ganache/Dockerfile b/docker/ganache/Dockerfile
index 80eba88..11e7f39 100644
--- a/docker/ganache/Dockerfile
+++ b/docker/ganache/Dockerfile
@@ -1,4 +1,4 @@
-FROM trufflesuite/ganache-cli:latest
+FROM trufflesuite/ganache-cli:v6.12.2@sha256:c062707f17f355872d703cde3de6a12fc45a027ed42857c72514171a5f466ab7
 
 RUN mkdir /home/ganache_db /home/ganache_keys
 
diff --git a/docker/ganache/start-blockchain.sh b/docker/ganache/start-blockchain.sh
index 36aceea..0a373b8 100644
--- a/docker/ganache/start-blockchain.sh
+++ b/docker/ganache/start-blockchain.sh
@@ -14,8 +14,8 @@ if [ -z "${MNEMONIC}" ]; then
     --host "$HOST" \
     --port "$PORT" \
     --networkId "$ID" \
-    --account_keys_path "/home/ganache_keys/keys.json" \
-    --db "/home/ganache_db/" \
+    --account_keys_path "/mnt/concordia/ganache_keys/keys.json" \
+    --db "/mnt/concordia/ganache_db/" \
     --allowUnlimitedContractSize \
     --noVMErrorsOnRPCResponse \
     --verbose
@@ -28,8 +28,8 @@ else
     --host "$HOST" \
     --port "$PORT" \
     --networkId "$ID" \
-    --account_keys_path "/home/ganache_keys/keys.json" \
-    --db "/home/ganache_db/" \
+    --account_keys_path "/mnt/concordia/ganache_keys/keys.json" \
+    --db "/mnt/concordia/ganache_db/" \
     --allowUnlimitedContractSize \
     --noVMErrorsOnRPCResponse \
     --deterministic \