docker-compose.yml

version: "3.7"

services:
  app: &app
    build:
      context: .
      dockerfile: ./.dockerdev/Dockerfile
      args:
        RUBY_VERSION: "3.1.0"
        PG_MAJOR: "11"
        NODE_MAJOR: "12"
        YARN_VERSION: "1.19.1"
        BUNDLER_VERSION: "2.2.25"
    image: example-dev:1.0.0
    tmpfs:
      - /tmp

  backend: &backend
    <<: *app
    stdin_open: true
    tty: true
    volumes:
      - .:/app:cached
      - ./node_modules:/app/node_modules
      - .dockerdev/.psqlrc:/root/.psqlrc:ro
      - .dockerdev/bundle:/bundle
      - rails_cache:/app/tmp/cache
      - packs:/app/public/packs
    environment:
      - NODE_ENV=development
      - RAILS_ENV=${RAILS_ENV:-development}
      - REDIS_URL=redis://redis:6379/
      - DATABASE_URL=postgres://postgres:postgres@postgres:5432
      - POSTGRESQL_HOST=postgres
      - POSTGRESQL_PORT=5432
      - WEBPACKER_DEV_SERVER_HOST=webpacker
      - WEB_CONCURRENCY=1
      - HISTFILE=/app/log/.bash_history
      - PSQL_HISTFILE=/app/log/.psql_history
      - EDITOR=vi
    depends_on:
      - postgres
      - redis

  runner:
    <<: *backend
    command: /bin/bash
    ports:
      - "3000:3000"
      - "3002:3002"

  rails:
    <<: *backend
    command: bundle exec rails server -b 0.0.0.0
    ports:
      - "3000:3000"

  postgres:
    image: postgres:11.1
    volumes:
      - .dockerdev/.psqlrc:/root/.psqlrc:ro
      - ./log:/root/log:cached
      - postgres:/var/lib/postgresql/data
    environment:
      - PSQL_HISTFILE=/root/log/.psql_history
    ports:
      - "5432:5432"

  redis:
    image: redis:3.2-alpine
    volumes:
      - redis:/data
    ports:
      - "6379:6379"

  webpacker:
    <<: *app
    command: ./bin/webpack-dev-server
    ports:
      - "3035:3035"
    volumes:
      - .:/app:cached
      - ./node_modules:/app/node_modules
      - .dockerdev/bundle:/bundle
      - packs:/app/public/packs
    environment:
      - NODE_ENV=${NODE_ENV:-development}
      - RAILS_ENV=${RAILS_ENV:-development}
      - WEBPACKER_DEV_SERVER_HOST=0.0.0.0

volumes:
  postgres:
  redis:
  node_modules:
  rails_cache:
  packs: