Hướng dẫn deploy Node.js app lên VPS Linux Ubuntu - Phần 2

sudo ufw status

Status: active

To                         Action      From
--                         ------      ----
Nginx HTTP                 ALLOW       Anywhere
OpenSSH                    ALLOW       Anywhere
Nginx HTTP (v6)            ALLOW       Anywhere (v6)
OpenSSH (v6)               ALLOW       Anywhere (v6)

sudo ufw allow 'Nginx Full'
sudo ufw delete allow 'Nginx HTTP'

sudo ufw status

Status: active

To                         Action      From
--                         ------      ----
OpenSSH                    ALLOW       Anywhere
Nginx Full                 ALLOW       Anywhere
OpenSSH (v6)               ALLOW       Anywhere (v6)
Nginx Full (v6)            ALLOW       Anywhere (v6)

sudo certbot --nginx -d example.com -d example.com

Successfully received certificate.
Certificate is saved at: /etc/letsencrypt/live/example.com/fullchain.pem
Key is saved at:         /etc/letsencrypt/live/example.com/privkey.pem
This certificate expires on 2024-06-11.
These files will be updated when the certificate renews.
Certbot has set up a scheduled task to automatically renew this certificate in the background.

Deploying certificate
Successfully deployed certificate for example.com to /etc/nginx/sites-enabled/example.com
Congratulations! You have successfully enabled HTTPS on https://example.com
We were unable to subscribe you the EFF mailing list because your e-mail address appears to be invalid. You can try again later by visiting https://act.eff.org.

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If you like Certbot, please consider supporting our work by:
 * Donating to ISRG / Let's Encrypt:   https://letsencrypt.org/donate
 * Donating to EFF:                    https://eff.org/donate-le

sudo certbot renew --dry-run

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.3/install.sh | bash

source ~/.bashrc

nvm list-remote

...
        v19.9.0
        v20.0.0
        v20.1.0
        v20.2.0
        v20.3.0
        v20.3.1
        v20.4.0
        v20.5.0
        v20.5.1
        v20.6.0
        v20.6.1
        v20.7.0
        v20.8.0
        v20.8.1
        v20.9.0   (LTS: Iron)
       v20.10.0   (LTS: Iron)
       v20.11.0   (LTS: Iron)
       v20.11.1   (Latest LTS: Iron)
        v21.0.0
        v21.1.0
        v21.2.0
        v21.3.0
        v21.4.0
        v21.5.0
        v21.6.0
        v21.6.1
        v21.6.2
        v21.7.0
        v21.7.1

nvm install v20.11.1

nvm list

> v20.11.1
default -> v20.11.1
iojs -> N/A (default)
unstable -> N/A (default)
node -> stable (-> v20.11.1) (default)
stable -> 20.11 (-> v20.11.1) (default)
lts/* -> lts/iron (-> v20.11.1)
lts/argon -> v4.9.1 (-> N/A)
lts/boron -> v6.17.1 (-> N/A)
lts/carbon -> v8.17.0 (-> N/A)
lts/dubnium -> v10.24.1 (-> N/A)
lts/erbium -> v12.22.12 (-> N/A)
lts/fermium -> v14.21.3 (-> N/A)
lts/gallium -> v16.20.2 (-> N/A)
lts/hydrogen -> v18.19.1 (-> N/A)
lts/iron -> v20.11.1

nvm use v20.11.1

git --version

sudo apt install git-all

cd /home

git clone github_repo_url

cd myapp
npm install

const express = require('express')
const app = express()
const port = 3000

app.get('/', (req, res) => {
  res.send('Hello World!')
})

app.listen(port, () => {
  console.log(`App is listening on: http://localhost:${port}`)
})

node index.js

App is listening on: http://localhost:3000

npm install pm2@latest -g

pm2 start index.js

                        -------------

__/\\\\\\\\\\\\\____/\\\\____________/\\\\____/\\\\\\\\\_____
 _\/\\\/////////\\\_\/\\\\\\________/\\\\\\__/\\\///////\\\___
  _\/\\\_______\/\\\_\/\\\//\\\____/\\\//\\\_\///______\//\\\__
   _\/\\\\\\\\\\\\\/__\/\\\\///\\\/\\\/_\/\\\___________/\\\/___
    _\/\\\/////////____\/\\\__\///\\\/___\/\\\________/\\\//_____
     _\/\\\_____________\/\\\____\///_____\/\\\_____/\\\//________
      _\/\\\_____________\/\\\_____________\/\\\___/\\\/___________
       _\/\\\_____________\/\\\_____________\/\\\__/\\\\\\\\\\\\\\\_
        _\///______________\///______________\///__\///////////////__


                          Runtime Edition

        PM2 is a Production Process Manager for Node.js applications
                     with a built-in Load Balancer.

                Start and Daemonize any application:
                $ pm2 start app.js

                Load Balance 4 instances of api.js:
                $ pm2 start api.js -i 4

                Monitor in production:
                $ pm2 monitor

                Make pm2 auto-boot at server restart:
                $ pm2 startup

                To go further checkout:
                http://pm2.io/


                        -------------

[PM2] Spawning PM2 daemon with pm2_home=/root/.pm2
[PM2] PM2 Successfully daemonized
[PM2] Starting /home/myapp/index.js in fork_mode (1 instance)
[PM2] Done.
┌────┬──────────┬─────────────┬─────────┬─────────┬──────────┬────────┬──────┬───────────┬──────────┬──────────┬──────────┬──────────┐
│ id │ name     │ namespace   │ version │ mode    │ pid      │ uptime │ ↺    │ status    │ cpu      │ mem      │ user     │ watching │
├────┼──────────┼─────────────┼─────────┼─────────┼──────────┼────────┼──────┼───────────┼──────────┼──────────┼──────────┼──────────┤
│ 0  │ index    │ default     │ 1.0.0   │ fork    │ 140692   │ 0s     │ 0    │ online    │ 0%       │ 38.1mb   │ root     │ disabled │
└────┴──────────┴─────────────┴─────────┴─────────┴──────────┴────────┴──────┴───────────┴──────────┴──────────┴──────────┴──────────┘

pm2 startup systemd

[PM2] Init System found: systemd
Platform systemd
Template
[Unit]
Description=PM2 process manager
Documentation=https://pm2.keymetrics.io/
After=network.target

[Service]
Type=forking
User=root
LimitNOFILE=infinity
LimitNPROC=infinity
LimitCORE=infinity
Environment=PATH=/root/.nvm/versions/node/v20.11.1/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
Environment=PM2_HOME=/root/.pm2
PIDFile=/root/.pm2/pm2.pid
Restart=on-failure

ExecStart=/root/.nvm/versions/node/v20.11.1/lib/node_modules/pm2/bin/pm2 resurrect
ExecReload=/root/.nvm/versions/node/v20.11.1/lib/node_modules/pm2/bin/pm2 reload all
ExecStop=/root/.nvm/versions/node/v20.11.1/lib/node_modules/pm2/bin/pm2 kill

[Install]
WantedBy=multi-user.target

Target path
/etc/systemd/system/pm2-root.service
Command list
[ 'systemctl enable pm2-root' ]
[PM2] Writing init configuration in /etc/systemd/system/pm2-root.service
[PM2] Making script booting at startup...
[PM2] [-] Executing: systemctl enable pm2-root...
Created symlink /etc/systemd/system/multi-user.target.wants/pm2-root.service → /etc/systemd/system/pm2-root.service.
[PM2] [v] Command successfully executed.
+---------------------------------------+
[PM2] Freeze a process list on reboot via:
$ pm2 save

[PM2] Remove init script via:
$ pm2 unstartup systemd

pm2 save

systemctl start pm2-root

systemctl status pm2-root

● pm2-root.service - PM2 process manager
     Loaded: loaded (/etc/systemd/system/pm2-root.service; enabled; vendor preset: enabled)
     Active: active (running) since Mon 2024-03-18 14:57:01 UTC; 32s ago
       Docs: https://pm2.keymetrics.io/
    Process: 145513 ExecStart=/root/.nvm/versions/node/v20.11.1/lib/node_modules/pm2/bin/pm2 resurrect (code=exited, status=0/SUCCESS)
   Main PID: 140675 (PM2 v5.3.1: God)
      Tasks: 0 (limit: 2237)
     Memory: 4.0K
        CPU: 688ms
     CGroup: /system.slice/pm2-root.service
             ‣ 140675 "PM2 v5.3.1: God Daemon (/root/.pm2)" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" ""

Mar 18 14:57:00 lahocore systemd[1]: Starting PM2 process manager...
Mar 18 14:57:01 lahocore pm2[145513]: [PM2] Resurrecting
Mar 18 14:57:01 lahocore pm2[145513]: [PM2] Restoring processes located in /root/.pm2/dump.pm2
Mar 18 14:57:01 lahocore pm2[145513]: ┌────┬──────────┬─────────────┬─────────┬─────────┬──────────┬────────┬──────┬───────────┬──────────┬──────────┬──────────┬──────────┐
Mar 18 14:57:01 lahocore pm2[145513]: │ id │ name     │ namespace   │ version │ mode    │ pid      │ uptime │ ↺    │ status    │ cpu      │ mem      │ user     │ watching │
Mar 18 14:57:01 lahocore pm2[145513]: ├────┼──────────┼─────────────┼─────────┼─────────┼──────────┼────────┼──────┼───────────┼──────────┼──────────┼──────────┼──────────┤
Mar 18 14:57:01 lahocore pm2[145513]: │ 0  │ index    │ default     │ 1.0.0   │ fork    │ 140692   │ 13m    │ 0    │ online    │ 0%       │ 51.7mb   │ root     │ disabled │
Mar 18 14:57:01 lahocore pm2[145513]: └────┴──────────┴─────────────┴─────────┴─────────┴──────────┴────────┴──────┴───────────┴──────────┴──────────┴──────────┴──────────┘
Mar 18 14:57:01 lahocore systemd[1]: Started PM2 process manager.

pm2 stop

pm2 restart app_name_or_id

pm2 list

pm2 info app_name