4-8 Build backend services

too

1. Install koa generator globally

npm install koa-generator -g

2. Create project

koa2 service

3. Install dependencies

cd service
npm install

4. execution service

npm run start

6. Monitor file changes and automatically restart

npm install supervisor --save-dev

Modify package.json and use supervisor instead of node

{
    
    
  "name": "service",
  "version": "0.1.0",
  "private": true,
  "scripts": {
    
    
    "start": "supervisor bin/www",
    "dev": "./node_modules/.bin/nodemon bin/www",
    "prd": "pm2 start bin/www",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "dependencies": {
    
    
    "debug": "^4.1.1",
    "koa": "^2.7.0",
    "koa-bodyparser": "^4.2.1",
    "koa-convert": "^1.2.0",
    "koa-json": "^2.0.2",
    "koa-logger": "^3.2.0",
    "koa-onerror": "^4.1.0",
    "koa-router": "^7.4.0",
    "koa-static": "^5.0.0",
    "koa-views": "^6.2.0",
    "pug": "^2.0.3"
  },
  "devDependencies": {
    
    
    "nodemon": "^1.19.1",
    "supervisor": "^0.12.0"
  }
}