docker-compose.yml

services:
  mongo:
    image: mongo:7
    restart: unless-stopped
    volumes:
      - mongo-data:/data/db
    networks:
      - arena-network

  backend:
    build:
      context: ./backend
      dockerfile: dockerfile
    # Puerto NO expuesto al host — solo accesible dentro de arena-network (modo proxy).
    # Para modo directo, descomenta la línea siguiente:
    # ports:
    #   - "8000:8000"
    expose:
      - "8000"
    environment:
      MONGO_URL: ${MONGO_URL}
      MONGO_DB: ${MONGO_DB}
      SECRET_KEY: ${SECRET_KEY}
      CORS_ORIGINS: ${CORS_ORIGINS:-}
      VALIDATION_CODE: ${VALIDATION_CODE:-}
      JUDGE0_API_URL: ${JUDGE0_API_URL:-}
      JUDGE0_API_KEY: ${JUDGE0_API_KEY:-}
      MQTT_HOST: ${MQTT_HOST}
      MQTT_WS_PORT: ${MQTT_WS_PORT:-443}
      MQTT_WS_PATH: ${MQTT_WS_PATH:-/mqtt}
      MQTT_USERNAME: ${MQTT_USERNAME}
      MQTT_PASSWORD: ${MQTT_PASSWORD}
      MQTT_TOPIC_PREFIX: ${MQTT_TOPIC_PREFIX:-code-arena}
      ADMIN_INITIAL_PASSWORD: ${ADMIN_INITIAL_PASSWORD:-password}
      
    depends_on:
      - mongo
    networks:
      - arena-network

  frontend:
    build:
      context: ./frontend
      dockerfile: dockerfile
      args:
        # Modo proxy (default): rutas relativas — el rewrite de Next enruta a backend interno.
        # Modo directo: cambia a la URL pública del backend, ej: https://backend.azurewebsites.net
        NEXT_PUBLIC_BASE_URL: ${NEXT_PUBLIC_BASE_URL:-/backend}
        NEXT_PUBLIC_MQTT_WS_URL: ${NEXT_PUBLIC_MQTT_WS_URL}
        NEXT_PUBLIC_MQTT_TOPIC_PREFIX: ${NEXT_PUBLIC_MQTT_TOPIC_PREFIX:-code-arena}
        NEXT_PUBLIC_MQTT_USERNAME: ${NEXT_PUBLIC_MQTT_USERNAME:-}
        NEXT_PUBLIC_MQTT_PASSWORD: ${NEXT_PUBLIC_MQTT_PASSWORD:-}
    ports:
      - "${FRONTEND_PORT:-3000}:3000"
    environment:
      # URL interna de Docker — usada por next.config.ts para los rewrites.
      # Vaciar esta variable desactiva el proxy y activa modo directo.
      BACKEND_INTERNAL_URL: ${BACKEND_INTERNAL_URL:-http://backend:8000}
      NEXT_PUBLIC_MQTT_WS_URL: ${NEXT_PUBLIC_MQTT_WS_URL}
    depends_on:
      - backend
    networks:
      - arena-network

volumes:
  mongo-data:

networks:
  arena-network:
    driver: bridge