npm install pm2 -g
pm2 start "vendors/server/app.js" --name yapi

[[email protected] my-yapi]# pm2 start "vendors/server/app.js" --name yapi
[PM2] Starting /opt/my-yapi/vendors/server/app.js in fork_mode (1 instance)
[PM2] Done.
┌──────────┬────┬─────────┬──────┬──────┬────────┬─────────┬────────┬─────┬───────────┬──────┬──────────┐
│ App name │ 
 
id │ version │ mode │ pid  │ status │ restart │ uptime │ cpu │ mem       │ user │ watching │
├──────────┼────┼─────────┼──────┼──────┼────────┼─────────┼────────┼─────┼───────────┼──────┼──────────┤
│ yapi     │ 0  │ 1.3.23  │ fork │ 9534 │ online │ 0       │ 0s     │ 0%  │ 11.6 MB   │ root │ disabled │
└──────────┴────┴─────────┴──────┴──────┴────────┴─────────┴────────┴─────┴───────────┴──────┴──────────┘
 Use `pm2 show 
 
<id|name>` to get more details about an app

[[email protected] my-yapi]# pm2 info yapi
 Describing process with id 0 - name yapi 
┌───────────────────┬────────────────────────────────────┐
│ status            │ online                             │
│ name              │ yapi                               │
│ version           │ 
 
1.3.23                             │
│ restarts          │ 0                                  │
│ uptime            │ 25s                                │
│ script path       │ /opt/my-yapi/vendors/server/app.js │
│ script args       │ N/A                                │
│ error log path    │ /root/.pm2/logs/yapi-error.log     │
│ out log path      │ /root/.pm2/logs/yapi-out.log       │
│ pid path          │ /root/.pm2/pids/yapi-0.pid         │
│ interpreter       │ node                               │
│ interpreter args  │ N/A                                │
│ script id         │ 0                                  │
│ exec cwd          │ /opt/my-yapi                       │
│ exec mode         │ fork_mode                          │
│ node.js version   │ 8.12.0                             │
│ node env          │ N/A                                │
│ watch & reload    │ ✘                                  │
│ unstable restarts │ 0                                  │
│ created at        │ 2018-11-14T12:50:18.371Z           │
└───────────────────┴────────────────────────────────────┘
 Code metrics value 
┌────────────────────┬────────┐
│ Event Loop Latency │ 1.36ms │
│ Active handles     │ 10     │
└────────────────────┴────────┘
 Add your own code metrics: http://bit.ly/code-metrics
 Use `pm2 logs yapi [--lines 1000]` to display logs
 Use `pm2 env 0` to display environement variables
 Use `pm2 monit` to monitor CPU and Memory usage yapi