Commonly used command collection
pm2 start # Start the application
pm2 start -i 4 # cluster mode starts 4 application instances # 4 applications will automatically load balance
pm2 start --name="api" # Start the application and name it "api"
pm2 start --watch # Automatically restart the application when the file changes
pm2 start # Start bash script
pm2 list # List All applications launched by PM2
pm2 monit �
pm2 show [app-name] # Show all information about the application
pm2 logs
pm2 logs [app-name] # Display the log of the specified application
pm2 flush
pm2 stop all
pm2 stop 0 �
pm2 restart all # Restart all applications
pm2 reload all # Restart all applications under cluster mode
pm2 gracefulReload all # Graceful reload all apps in cluster mode
pm2 delete all # Close and delete all applications
pm2 delete 0 �
pm2 scale api 10 # Extend the application named api to 10 instances
pm2 reset [app-name] # Reset the number of restarts
pm2 startup # Create a boot command
pm2 save �
pm2 resurrect # Reload the saved application list
pm2 update # Save processes, kill PM2 and restore processes
pm2 generate # Generate a sample json configuration file
pm2 start --node-args="--max-old-space-size=1024"
Detailed introduction to configuration files
{
"apps": {
"name": "wuwu", // Project name "script": "./bin/www", // Execute the file "cwd": "./", // Root directory "args": "", // Parameters passed to the script "interpreter": "", // Specified script interpreter "interpreter_args": "", // Parameters passed to the interpreter "watch": true, // Whether to listen for file changes and restart "ignore_watch": [ // Files that do not need to be monitored "node_modules",
"logs"
],
"exec_mode": "cluster_mode", // Application startup mode, support fork and cluster modes "instances": 4, // The number of application startup instances is only valid in cluster mode. The default is fork; or max "max_memory_restart": 8, // Maximum memory limit, automatic restart exceeds "error_file": "./logs/", // Error log file "out_file": "./logs/", // Normal log files "merge_logs": true, // Set append log instead of creating new log "log_date_format": "YYYY-MM-DD HH:mm:ss", // Specify the time format of the log file "min_uptime": "60s", // The application runs less than the time it is considered an abnormal startup "max_restarts": 30, // The maximum number of abnormal restarts is less than the number of restarts when the min_uptime runs; "autorestart": true, // Default is true, automatically restart if an exception occurs "cron_restart": "", // Restart the application in the crontab time format, currently only supports cluster mode; "restart_delay": "60s" // In the case of abnormal restart, delayed restart time "env": {
"NODE_ENV": "production", // Environment parameter, currently specified as production environment .NODE_ENV "REMOTE_ADDR": "Fall in love with loud" // .REMOTE_ADDR
},
"env_dev": {
"NODE_ENV": "development", // Environment parameters, currently specified as development environment pm2 start --env_dev "REMOTE_ADDR": ""
},
"env_test": { // Environment parameters, currently specified as the test environment pm2 start --env_test "NODE_ENV": "test",
"REMOTE_ADDR": ""
}
}
}
The above is all the content of this article. I hope it will be helpful to everyone's study and I hope everyone will support me more.