message: fix: add node version to docker
diff: # npm i -g http-server
  # http-server -p 8000 --cors
  -FROM node:alpine
  +FROM node:12-alpine
  RUN apk update && apk add --no-cache git
  # Install dependencies
  WORKDIR /build
  COPY package.json package-lock.json /build/
  -RUN npm ci --no-optional --ignore-scripts --force
  +RUN npm ci --no-optional --ignore-scripts
  # copy only required for the build files
  COPY src /build/src
  