services:
  postgres:
    image: postgres:16-alpine
    container_name: agentic-scheduling-db
    restart: unless-stopped
    environment:
      POSTGRES_USER: scheduling
      POSTGRES_PASSWORD: scheduling
      POSTGRES_DB: scheduling
    ports:
      # Host 5433 to avoid colliding with a native Postgres on 5432.
      - "5433:5432"
    volumes:
      - pgdata:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U scheduling -d scheduling"]
      interval: 5s
      timeout: 5s
      retries: 5

volumes:
  pgdata: