services:
  app:
    image: todo-frontend-dev
    build:
      context: ./todo-frontend 
      dockerfile: ./todo-frontend/dev.Dockerfile # This will simply tell which dockerfile to read
    volumes:
      - ./todo-frontend:/usr/src/app # The path can be relative, so ./ is enough to say "the same location as the docker-compose.yml"
    container_name: todo-front

  server:
    image: todo-backend-dev
    volumes:
      - ./todo-backend:/usr/src/app
    environment:
      REDIS_URL: "redis://redis:6379"
      MONGO_URL: "mongodb://the_username:the_password@mongo:27017/the_database"

  mongo:
    image: mongo
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: example
      MONGO_INITDB_DATABASE: the_database
    volumes:
      - ./todo-backend/mongo/mongo-init.js:/docker-entrypoint-initdb.d/mongo-init.js
      - mongo_data:/data/db

  redis:
    image: redis
    command: ['redis-server', '--appendonly', 'yes'] # Overwrite the CMD
    volumes: # Declare the volume
      - ./todo-backend/redis_data:/data

  nginx:
    image: nginx:1.20.1
    volumes:
      - ./nginx.dev.conf:/etc/nginx/nginx.conf:ro
    ports:
      - 8080:80
    container_name: reverse-proxy-front-back
    depends_on:
      - app # wait for the frontend container to be started
      - server

volumes:
  mongo_data: