Win configuration PM2 boot auto start node project

pm2 Be similar to nodemon, But the functional ratio nodemon Richer

1. Global installation pm2, If your system is not installed in advance node Environmental Science , Then you can refer to the blog ：https://blog.csdn.net/weixin_46758988/article/details/117109297 ; If you have installed globally pm2, It's just that there is no configuration for boot auto startup , Then you don't need to repeat the installation pm2 了

npm install pm2 -g    Or use yarn install ( Use yarn before  npm install yarn -g  Global installation yarn)：yarn global add pm2

2. Global installation pm2 Win Self opening package ：pm2-windows-startup：

npm install pm2-windows-startup -g  or  yarn global add pm2-windows-startup

3. Install configuration package ：pm2-startup

pm2-startup install  or  yarn add pm2-startup

4. Use pm2 Start project , Here you can directly start the index.js or app.js, But it is still recommended pm2 Profile launch project , About pm2 The configuration file can refer to the following configuration file pm2.config.json（ If you want more detailed configuration, you can consult the official documents ）：

{
    
  "apps":{
    
    "name":"myproject-web", //  Alias of the item 
    "script":"index.js", // Need to start the program's entry file 
    "watch":"true", //  Enable file change monitoring 
    "ignore_watch":[ //  Ignore file changes and listen for files 
      "node_modules",
      "logs"
    ],
    "error_file":"logs/error.log", // Configure the error log output file address 
    "out_file":"logs/consoles.log", // Configure the print log output file address 
    "log_date_format":"YYYY-MM-DD HH:mm:ss",  // Configure log date format 
    "instances":2 // The number of cores occupied by the configuration item , Less than or equal to the total number of cores of the server 
  }
}

5. Start project ： Use pm2 Start project , Switch the command line to the project root folder in advance and execute the following command ( If you do not switch to the project file, you can add the project path to the startup at startup ：pm2 start route \index.js)：

pm2 start pm2.config.json , If not configured pm2 The configuration file , Then you can go directly through ：pm2 index.js  or  pm2 app.js start-up 

6. Save this project , It will restart automatically after startup , Such as ：

pm2 save

7. Restart the server , The application can be accessed normally , Of course, we usually use the command line to type commands ：pm2 list View the currently started project , The command line path here does not require , Such as ：

pm2 list

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The author ： misery