services:

  webserver:
    build:
      context: .
      dockerfile: nginx/Dockerfile
    container_name: nginx_webserver
    volumes:
      - nginx_logs:/var/log/nginx
    restart: unless-stopped
    depends_on:
      api:
        condition: service_started
    networks:
      - proxy       # external — reachable by your reverse proxy / traefik
      - internal    # needs a path to the api container

  api:
    build: .
    container_name: wp_api
    environment:
      # Preferred: the API builds its own connection string from these and
      # encodes the password automatically (no manual URL-encoding needed).
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
      POSTGRES_HOST: db
      # Optional full-URL override (must be URL-encoded if used).
      DATABASE_URL: ${DATABASE_URL:-}
      # Signs login session cookies. MUST be set (see server/.env.example).
      AUTH_SECRET_KEY: ${AUTH_SECRET_KEY}
      AUTH_SESSION_HOURS: ${AUTH_SESSION_HOURS:-12}
    restart: unless-stopped
    depends_on:
      db:
        condition: service_healthy        # waits for postgres to accept connections
    networks:
      - internal

  db:
    image: postgres:16-alpine
    container_name: wp_db
    environment:
      POSTGRES_DB: ${POSTGRES_DB}
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
    volumes:
      - pgdata:/var/lib/postgresql/data
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
      interval: 10s
      timeout: 5s
      retries: 5
    networks:
      - internal

volumes:
  pgdata:
  nginx_logs:

networks:
  proxy:
    name: proxy
    external: true
  internal:
    internal: true    # no outbound internet access from api/db