compose-dev.yaml

services:
  app:
    entrypoint:
    - sleep
    - infinity
    image: docker/dev-environments-default:stable-1
    init: true
    volumes:
    - type: bind
      source: /var/run/docker.sock
      target: /var/run/docker.sock
  db: 
    image: postgres:14.1-alpine
    restart: always
    environment:
        - POSTGRES_USER=postgres
        - POSTGRES_PASSWORD=postgres 
        - POSTGRES_HOST_AUTH_METHOD = trust
    ports:
      - '5432:5432'
    volumes:
      - db:/var/lib/postgresql/data
  web:
   build: .
   command: bundle exec rails s -p 3000 -b '0.0.0.0'
   volumes: 
      - ".:/app"
   ports:
     - "3001:3000"
   depends_on:
     - db
   links:
     - db
   environment:
    DB_USER: postgres
    DB_NAME: app
    DB_PASSWORD: postgres
    DB_HOST: db
  worker:
   build: .
   command: rake jobs:work
   volumes: 
      - ".:/app" 
   depends_on:
     - db
   links:
     - db
   environment:
    DB_USER: postgres
    DB_NAME: app
    DB_PASSWORD: postgres
    DB_HOST: db

volumes:
    db:
      driver: local