sudo apt update

sudo apt install nginx -y

sudo ufw allow 'Nginx Full'

sudo systemctl status nginx

sudo systemctl enable nginx

/etc/nginx/sites-available/

/etc/nginx/sites-enabled/

sudo systemctl restart nginx

sudo systemctl reload nginx

server {
    listen 80;
    listen [::]:80;
    server_name example.com;
    
    root /var/www/html;
    index index.html index.htm;
    
    location / {
        try_files $uri $uri/ =404;
    }
    
    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    
    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_types text/plain text/css text/xml text/javascript application/javascript application/xml+rss application/json;
    
    # Deny access to hidden files
    location ~ /\. {
        deny all;
    }
}

server {
    server_name example.com;
    root /var/www/html;

    index index.php index.html index.htm;

    location / {
        try_files $uri $uri/ =404;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php8.4-fpm.sock;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    }

    location ~ /\.ht {
        deny all;
    }

    listen 80;
}

server {
    listen 80;
    server_name example.com;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl http2;                    
    listen [::]:443 ssl http2;               
    server_name example.com;

    # Security Headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    # Proxy settings
    location / {
        proxy_pass http://localhost:8000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        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;

        # Timeout settings
        proxy_read_timeout 300s;
        proxy_connect_timeout 300s;
        proxy_send_timeout 300s;
    }

    # Gzip compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
    gzip_proxied any;
    gzip_min_length 256;
}

sudo nginx -t

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

sudo apt install certbot python3-certbot-nginx -y

sudo certbot --nginx -d example.com