NGINX: Reverse Proxy

This tutorial about using NGINX reverse proxy.

NGINX Installation

sudo apt update
sudo apt install nginx -y

Check for NGINX status

sudo systemctl status nginx

NGINX Configuration

Create configuration files on /etc/nginx/sites-available/. Change example.com to your domain.

sudo nano /etc/nginx/sites-available/example.com

Add this configurations. Change example.com and http://localhost:3000 to your use port.

server {
    listen 80;
    server_name example.com www.example.com;

    location / {
        proxy_pass http://localhost:3000;
        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;
    }
}

Activate this using symlink to sites-enabled directory.

sudo ln -s /etc/nginx/sites-available/example.com /etc/nginx/sites-enabled/

Last, check if conf OK then reload NGINX.

sudo nginx -t
sudo systemctl reload nginx