services:
  db:
    image: postgres:16
    container_name: url_shortener_db
    restart: always
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: url_db
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 5s
      timeout: 5s
      retries: 5

  app:
    build: .
    container_name: url_shortener_app
    depends_on:
      db:
        condition: service_healthy
    environment:
      DATABASE_URL: postgresql+psycopg2://postgres:postgres@db:5432/url_db
      BASE_URL: http://localhost:9995
    ports:
      - "9995:9995"
    volumes:
      - .:/app  # Mount current directory to /app inside container
    command: >
      sh -c "alembic upgrade head &&
             uvicorn app.main:app --host 0.0.0.0 --port 9995"

volumes:
  postgres_data: