🚀 Deploy NodeJS App to Production (ExpressJS, PM2, Nginx)

Описание: npm init -y
npm install express
npm install morgan

npm install --save-dev nodemon
npm install pm2@latest -g
npm install autocannon -g

node index.js

pm2 start ecosystem.config.cjs --env production

pm2 ls
pm2 monit
pm2 restart all

https://nginx.org/en/download.html
Stable version: nginx/Windows-1.xx.x

Start Service
start nginx

Reload Service
./nginx -s reload

Check syntax error
./nginx -t

Stop Service
./nginx -s stop

npx autocannon http://localhost -a 100

Nginx Config

upstream nodejs_cluster {
server localhost:9000;

เพิ่ม options สำหรับจัดการกับ cluster
keepalive 32; # ลด overhead จากการสร้าง connection ใหม่
}

location / {

client_max_body_size 100M;

proxy_pass http://nodejs_cluster;

proxy_connect_timeout 600s;
proxy_send_timeout 600s;
proxy_read_timeout 600s;
send_timeout 600s;

Connection reuse
proxy_http_version 1.1;
proxy_set_header Connection "";

retry logic
proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
proxy_next_upstream_tries 2;
proxy_next_upstream_timeout 60s;

proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
root html;
index index.html index.htm;

error_page 502 503 504 = /fallback.html;
}