docker-compose.yml

version: '3'
volumes:
  postgres-data:
    driver: local
  app-gems:
    driver: local
  node-modules:
    driver: local
  redis-data:
    driver: local
  tmp-data:
    driver: local
services:
  base: &app_base
    build:
      context: .
      dockerfile: dev.Dockerfile
    links:
      - postgres
      - redis
    env_file:
      - .env.docker
    volumes:
      - .:/app
      - app-gems:/usr/local/bundle
      - node-modules:/app/node_modules
    stdin_open: true
    tty: true
  app:
    <<: *app_base
    environment:
      - RACK_ENV=development
      - DATABASE_URL=postgres://postgres:suppa-duppa@postgres:5432/development_database
      - REDIS_URL=redis://redis:6379
    command: foreman start -f Procfile.dev
    #mem_limit: 500m
    #memswap_limit: 0
  tests:
    <<: *app_base
    environment:
      - RACK_ENV=test
      - NODE_ENV=production
      - DATABASE_URL=postgres://postgres:suppa-duppa@postgres:5432/test_database
      - REDIS_URL=redis://redis:6379
    env_file:
      - .env.docker
  postgres:
    image: "postgres:10.2-alpine"
    environment:
      POSTGRES_PASSWORD: suppa-duppa
    volumes:
      - postgres-data:/var/lib/postgresql/data
  redis:
    image: redis:4-alpine
    command: redis-server --appendonly yes