Docker compose file for use of Rails 5.1 + NodeJS 8.x, Yarn & Webpack(er) ready

docker-compose.yml

version: '2'
services:
  rails:
    image: 'clmntlxndr/rails51_webpacker'
    links:
     - postgres:postgres
    volumes:
      - $HOME/.docker_data/rails51/bundle:/usr/local/bundle
      - $PWD:$PWD
    working_dir: $PWD
    ports:
     - "3000:3000"
    command: ./bin/rails s
    environment:
      - LANG=C.UTF-8
  postgres:
    image: "postgres:9.6-alpine"
    volumes:
      - $HOME/.docker_data/pgddb/pgdata:/var/lib/postgresql/data
    environment:
      - POSTGRES_PASSWORD=password