Nginx Basics

What is Nginx?

Nginx is a high-performance web server and reverse proxy, widely used for hosting websites, load balancing, and serving static files.

Installation

sudo apt update && sudo apt install nginx
sudo systemctl start nginx && sudo systemctl enable nginx

Site Configuration

server {
    listen 80;
    server_name example.com;
    root /var/www/example.com;
    index index.html index.php;

    location ~* .(css|js|jpg|png|gif|ico)$ {
        expires 30d;
    }

    location ~ .php$ {
        include fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php8.3-fpm.sock;
    }
}

Enable and Test

sudo ln -s /etc/nginx/sites-available/mysite.conf /etc/nginx/sites-enabled/
sudo nginx -t && sudo systemctl reload nginx

Reverse Proxy

location / {
    proxy_pass http://127.0.0.1:3000;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
}