refactor(cmd-api-server): migrate container to ubuntu-20.04

1. Makes the base image of the API server ubuntu-20.04
2. Upgrades the NodeJS version to v16

Published a version of this commit to ghcr as well, built it
with this command:

DOCKER_BUILDKIT=1 docker build \
  --build-arg NPM_PKG_VERSION=fix-1226 \
  -f ./packages/cactus-cmd-api-server/Dockerfile . \
  -t cas \
  -t cactus-api-server

Tagged as:
ghcr.io/hyperledger/cactus-cmd-api-server:2021-08-15--refactor-1222

Fixes #1222

Signed-off-by: Peter Somogyvari <peter.somogyvari@accenture.com>

packages/cactus-cmd-api-server/Dockerfile

@@ -1,28 +1,32 @@
-FROM node:12.20.1-alpine3.12
+FROM ubuntu:20.04
 
-ARG NPM_PKG_VERSION=latest
-
-RUN apk update
-RUN apk add --no-cache tini
+SHELL ["/bin/bash", "-c"]
 
 ARG APP=/usr/src/app/
-
-ENV TZ=Etc/UTC
 ENV APP_USER=appuser
 
-RUN addgroup --system $APP_USER
-RUN adduser --system $APP_USER -G $APP_USER
-RUN mkdir -p ${APP}
+# GUI: 3000, API: 4000, gRPC 5000
+EXPOSE 3000 4000 5000
 
-RUN mkdir -p "${APP}/log/"
-RUN chown -R $APP_USER:$APP_USER "${APP}/log/"
+RUN groupadd --gid 1000 appuser \
+  && useradd --uid 1000 --gid appuser --shell /bin/bash --create-home ${APP_USER}
+
+RUN apt update && apt install -y curl
+
+RUN mkdir -p "${APP}log/"
+RUN chown -R $APP_USER:$APP_USER "${APP}log/"
 
 WORKDIR ${APP}
 
 COPY --chown=${APP_USER}:${APP_USER} ./packages/cactus-cmd-api-server/healthcheck.sh /
-
 RUN chown -R $APP_USER:$APP_USER ${APP}
 
+USER $APP_USER
+ARG NPM_PKG_VERSION=latest
+
+ENV TZ=Etc/UTC
+ENV NODE_ENV=production
+
 ENV CACTUS_NODE_ID=-
 ENV CONSORTIUM_ID=-
 ENV KEY_PAIR_PEM=-
@@ -43,15 +47,25 @@ ENV API_TLS_CLIENT_CA_PEM=-
 ENV API_TLS_KEY_PEM=-
 ENV API_HOST=0.0.0.0
 ENV API_PORT=4000
-ENV LOG_LEVEL=TRACE
+ENV LOG_LEVEL=INFO
 
-# GUI: 3000, API: 4000
-EXPOSE 3000 4000
+ENV NVM_DIR /home/${APP_USER}/.nvm
+ENV NODE_VERSION 16.3.0
+ENV NODE_PATH $NVM_DIR/v$NODE_VERSION/lib/node_modules
+ENV PATH      $NVM_DIR/versions/node/v$NODE_VERSION/bin:$PATH
 
-USER $APP_USER
+# Install nvm with node and npm
+RUN mkdir -p ${NVM_DIR}
+RUN curl https://raw.githubusercontent.com/nvm-sh/nvm/v0.38.0/install.sh | bash \
+  && source $NVM_DIR/nvm.sh \
+  && nvm install $NODE_VERSION \
+  && nvm alias default $NODE_VERSION \
+  && nvm use default \
+  && npm install -g npm@7.19.1
 
-RUN npm i @elenaizaguirre/cactus-cmd-api-server@${NPM_PKG_VERSION}
+RUN npm install @hyperledger/cactus-cmd-api-server@${NPM_PKG_VERSION} --production
 
-ENTRYPOINT ["/sbin/tini", "--"]
-CMD ["node", "node_modules/@elenaizaguirre/cactus-cmd-api-server/dist/lib/main/typescript/cmd/cactus-api.js"]
+COPY ./packages/cactus-cmd-api-server/docker-entrypoint.sh /usr/local/bin/
 HEALTHCHECK --interval=5s --timeout=5s --start-period=1s --retries=30 CMD /healthcheck.sh
+ENTRYPOINT ["docker-entrypoint.sh"]
+CMD ["node_modules/@hyperledger/cactus-cmd-api-server/dist/lib/main/typescript/cmd/cactus-api.js"]

packages/cactus-cmd-api-server/README.md

@@ -165,7 +165,7 @@ if (require.main === module) {
 ### Complete Example
 
 For a complete example of how to use the API server, read all the code of the
-supply chain exmaple's backend package:
+supply chain example's backend package:
 
 https://github.com/hyperledger/cactus/tree/main/examples/cactus-example-supply-chain-backend/src/main/typescript
 
@@ -219,7 +219,7 @@ DOCKER_BUILDKIT=1 docker build -f ./packages/cactus-cmd-api-server/Dockerfile .
 
 Build with a specific version of the npm package:
 ```sh
-DOCKER_BUILDKIT=1 docker build --build-arg NPM_PKG_VERSION=fix-quorum-contract-types -f ./packages/cactus-cmd-api-server/Dockerfile . -t cas -t cactus-api-server
+DOCKER_BUILDKIT=1 docker build --build-arg NPM_PKG_VERSION=main -f ./packages/cactus-cmd-api-server/Dockerfile . -t cas -t cactus-api-server
 ```
 
 ### Running the container image locally
@@ -239,7 +239,7 @@ Once you've built the container, the following commands should work:
     cas
   ```
 
-- Launch container with plugins of your choice (keychain, consortium connector, etc.) 
+- Launch container with plugins of your choice (keychain, consortium connector, etc.)
 
   ```sh
     docker run \

packages/cactus-cmd-api-server/docker-entrypoint.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -e
+
+if [ "${1#-}" != "${1}" ] || [ -z "$(command -v "${1}")" ]; then
+  set -- node "$@"
+fi
+
+exec "$@"

packages/cactus-plugin-ledger-connector-besu/Dockerfile

@@ -1,5 +1,6 @@
 FROM cactus-api-server:latest
 
+ENV NODE_ENV=production
 ARG NPM_PKG_VERSION=latest
 
-RUN npm i @hyperledger/cactus-plugin-ledger-connector-besu@${NPM_PKG_VERSION} --production
+RUN npm install @hyperledger/cactus-plugin-ledger-connector-besu@${NPM_PKG_VERSION} --production