version: "3.9"

services:
  # mongodb and redis are intentionally not exposed to the host;
  # they are only accessible within the Docker network.
  mongodb:
    image: mongo:7
    volumes:
      - mongo_data:/data/db
    healthcheck:
      test: ["CMD", "mongosh", "--eval", "db.runCommand('ping')", "--quiet"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s

  redis:
    image: redis:7-alpine
    volumes:
      - redis_data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 5s

  backend:
    build: ./backend
    ports:
      - "${BACKEND_PORT:-8000}:8000"
    env_file: .env
    environment:
      MONGODB_URI: mongodb://mongodb:27017
      REDIS_URL: redis://redis:6379/0
    depends_on:
      mongodb:
        condition: service_healthy
      redis:
        condition: service_healthy
    volumes:
      - ./templates:/app/templates:ro
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/api/health"]
      interval: 15s
      timeout: 5s
      retries: 5
      start_period: 30s

  frontend:
    build: ./frontend
    ports:
      - "${FRONTEND_PORT:-80}:80"
    depends_on:
      backend:
        condition: service_healthy

volumes:
  mongo_data:
  redis_data: