services:
  db:
    image: postgres:16-alpine
    environment:
      POSTGRES_USER: ${POSTGRES_USER:-postgres}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?POSTGRES_PASSWORD required}
      POSTGRES_DB: ${POSTGRES_DB:-availability}
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 5s
      timeout: 5s
      retries: 5
    restart: unless-stopped

  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    environment:
      DATABASE_URL: postgresql+asyncpg://${POSTGRES_USER:-postgres}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB:-availability}
      SYNC_DATABASE_URL: postgresql://${POSTGRES_USER:-postgres}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB:-availability}
      SMTP_HOST: ${SMTP_HOST:-}
      SMTP_PORT: ${SMTP_PORT:-587}
      SMTP_USER: ${SMTP_USER:-}
      SMTP_PASSWORD: ${SMTP_PASSWORD:-}
      ZULIP_SITE: ${ZULIP_SITE:-}
      ZULIP_EMAIL: ${ZULIP_EMAIL:-}
      ZULIP_API_KEY: ${ZULIP_API_KEY:-}
      ZULIP_STREAM: ${ZULIP_STREAM:-general}
    depends_on:
      db:
        condition: service_healthy
    restart: unless-stopped

  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile.prod
      args:
        VITE_API_URL: ${VITE_API_URL:-}
    depends_on:
      - backend
    restart: unless-stopped
    expose:
      - '80'

volumes:
  postgres_data: