message: Dockerfile with multistage
diff: -FROM amazeeio/centos7-node-builder:8
  +FROM amazeeio/centos7-node-builder:8 as builder
  # Use changes to package.json and yarn.lock to see if Docker should use cached nodejs deps.
  COPY services/api/package.json services/api/yarn.lock /app/
  # Run yarn install and remove the .yarn-cache as we don't need that on our image.
  -RUN BUILD_ONLY=true yarn install --pure-lockfile && yarn cache clean
  +RUN BUILD_ONLY=true yarn install --pure-lockfile
  +
  +FROM amazeeio/centos7-node:8
  +COPY --from=builder /app/node_modules /app/node_modules
  # Now copy in our application code.
  COPY services/api /app
  