version: '3.1' services: db: image: mongo ports: - "27017:27017" volumes: - ./data:/data/db backend: image: node:20 working_dir: /backend volumes: - ./backend:/backend - ./.Keys.js:/backend/.Keys.js - ./config-dev.js:/backend/config.js ports: - "3000:3000" - "9228:9229" command: ["npm", "run", "dev"] depends_on: - db