services:

  db:
    image: postgres:16-alpine
    restart: unless-stopped
    environment:
      POSTGRES_USER:     fastapiuser
      POSTGRES_PASSWORD: student123
      POSTGRES_DB:       fastapidb
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - "5432:5432"
    healthcheck:
      test: ["CMD", "pg_isready", "-U", "fastapiuser", "-d", "fastapidb"]
      interval: 5s
      timeout: 5s
      retries: 10

  api:
    build: .
    restart: unless-stopped
    ports:
      - "8000:8000"
    environment:
      DATABASE_HOST:     db
      DATABASE_PORT:     "5432"
      POSTGRES_USER:     fastapiuser
      POSTGRES_PASSWORD: student123
      POSTGRES_DB:       fastapidb
    depends_on:
      db:
        condition: service_healthy

volumes:
  postgres_data: