docker-compose.yml

version: '3.7'
services:
  postgres:
    image: "postgres:13.1"
    hostname: postgres
    container_name: postmates-postgres
    env_file: .env
    environment:
      - POSTGRES_PASSWORD=${DB_PASS}
      - POSTGRES_DB=${DB_NAME}
      - POSTGRES_USER=${DB_USER}
    ports:
      - "5432:5432"

  redis:
    image: redis:5.0.10-alpine
    container_name: postmates-redis
    ports:
      - "6379:6379"

  postmates:
    build:
      dockerfile: ./Dockerfile
      context: .
      args:
        PORT: ${PORT}
    container_name: postmates-app
    ports:
      - "9000:${PORT}"
    env_file: .env
    depends_on:
      - postgres
      - redis
      - waiter

  waiter:
    build:
      dockerfile: ./Dockerfile.wait
      context: .
    container_name: postmates-waiter
    depends_on: 
      - postgres
      - redis

    environment:
      - WAIT_HOSTS=postgres:5432, redis:6379
      - WAIT_HOSTS_TIMEOUT=300
      - WAIT_SLEEP_INTERVAL=30
      - WAIT_HOST_CONNECT_TIMEOUT=30
      - WAIT_AFTER_HOSTS=0