I want to run nginx multiple ports/site on same server without subdomain

Assalamualikum, Asa kori valo asen.

Recently ami amar akta personal project azure VPS e deploy koresi everything working smoothly but ami cacchi je cpanel er moto akta port e phpmyadmin access korte like

Amar main site amarsite.com and ami amarsite.com:2090 e phpmyadmin access korte casshi but hosse na

Amar NGINX Server config.

#Main Server
server {
    listen 80;
    listen [::]:80;

    server_name amarsite.com;

    root /var/www/larapos/public;

    add_header X-Frame-Options "SAMEORIGIN";
    add_header X-Content-Type-Options "nosniff";

    index index.php index.html index.htm;

    charset utf-8;

    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    location = /favicon.ico { access_log off; log_not_found off; }
    location = /robots.txt  { access_log off; log_not_found off; }

    error_page 404 /index.php;

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php/php8.3-fpm.sock;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
        fastcgi_hide_header X-Powered-By;
    }

    location ~ /\.ht {
        deny all;
    }

    location ~ /\.(?!well-known).* {
        deny all;
    }
}


# For PHPMYADNIN
server {
    listen 2090;
    server_name amarsite.com;

    root /var/www/phpmyadmin;
    index index.php index.html index.htm;

    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php/php8.3-fpm.sock;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
        fastcgi_hide_header X-Powered-By;
    }

    location ~ /\.ht {
        deny all;
    }

    location ~ /\.(?!well-known).* {
        deny all;
    }
}

Ami UFW te port ta add koresi

Chatgpt teu help nisi problem solve hoini

@ai_bot Please suggest to me how I can run multiple website on different ports but same server and domain