nginx phpMyAdmin

server {
       server_name phpmyadmin.bubuit.net;
       add_header Strict-Transport-Security "max-age=7200";
       location / {
               proxy_pass http://10.0.3.IP;
               include proxy_params;
               proxy_ignore_client_abort on;
               
               auth_basic "Restricted";
               auth_basic_user_file /etc/nginx/htpasswd;
       }
       include /etc/nginx/snippets/letsencrypt-acme-challenge.conf;
   listen 80; # managed by Certbot
}

1. htpasswd -c /etc/nginx/htpasswd USERNAME