version: '4.1'

services:
  app:
    build:
      dockerfile: Dockerfile
      context: .
    volumes:
      - .:/app
    environment:
      POSTGRES_CONNECTION_STRING: "postgresql://app:app@db:5432/app"
    depends_on:
      db:
        condition: service_healthy
    ports:
      - 8000:8000

  db:
    image: postgres
    restart: always
    environment:
      POSTGRES_USER: app
      POSTGRES_PASSWORD: app
      POSTGRES_DB: app
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U app -d app"]
      interval: 3s
      timeout: 10s
      retries: 3