docker-compose.yml

version: "3.7"

services:
  postgres:
    image: postgres:12.1
    environment:
      POSTGRES_USER: sandbox #DockerHub postgres docs state this is optional but must be used when password is set.  It will also create a db under the supplied username which you'll use to connect to in rails console such as: $docker-compose exec postgres psql -U YourUserNameHere
      POSTGRES_PASSWORD: test_db_password
    ports:
      - "5432:5432"
    volumes:
      - postgres:/var/lib/postgresql/data

  sandbox:
    build:
      context: .
      args:
        USER_ID: "${USER_ID:-10001}"
        GROUP_ID: "${GROUP_ID:-10001}"
    depends_on:
      - postgres
    volumes:
      - type: bind
        source: ./sandbox
        target: /opt/app/sandbox
    ports:
      - "8010:8010"
    env_file:
      - .env

  nginx:
    build:
      context: .
      dockerfile: ./Dockerfile.nginx
    depends_on:
      - postgres
    ports:
      - "8020:8020"

volumes:
  postgres: