PM2 Node Process Manager Cheatsheet

1# Start a cluster with forked process on all CPU Cores
2pm2 start server.js -i 0 --name 'test'
3pm2 show test
4pm2 log test
5
6# Zero downtime restart (round robbin restart through clusters)
7pm2 reload all
8
9# Display Logs
10pm2 logs accounting [--lines 1000]
11
12# CPU and memory usage
13pm2 monit
14
15# Delete App
16pm2 delete accounting
17
18# PM2 Ecosystem JSON (pm2.json)
19# "startpm2": "pm2 start pm2.json && pm2 log accounting"
20{
21    "apps" : [{
22      "name"        : "accounting",
23      "script"      : "bin/www",
24      "args"        : ["-i", "0"],
25      "watch"       : true,
26      "merge_logs"  : true,
27      "env": {
28        "NODE_ENV": "production"
29      },
30      "env_production" : {
31         "NODE_ENV": "production"
32      },
33      "env_staging" : {
34         "NODE_ENV" : "staging",
35         "TEST"     : true
36      }
37    }]
38  }
39
40# AIO
41
42## Dockerfile
43CMD [ "pm2-runtime", "pm2.json" ]
44## pm2.json
45{
46  "apps": [
47    {
48      "name": "nexus-api",
49      "script": "dist/app.js",
50      "kill_timeout" : 30000,
51      "instances": "0",
52      "exec_mode": "cluster",
53      "out_file": "/dev/null",
54      "error_file": "/dev/null",
55      "max_restarts": 1
56    }
57  ]
58}