nginx-config

server_name XXX.XXX.XXX.XXX www.mydomain.app mydomain.app prod.mydomain.app;

        location /phpmyadmin {
            root /usr/share/;
            index index.php index.html index.htm;
            location ~ ^/phpmyadmin/(.+\.php)$ {
                try_files $uri =404;
                root /usr/share/;
                fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
                fastcgi_index index.php;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                 include fastcgi_params;
            }

            location ~* ^/phpmyadmin/(.+\.(jpg|jpeg|gif|css|png|js|ico|html|xml|txt))$ {
                root /usr/share/;
            }
        }

        location /phpMyAdmin {
            rewrite ^/* /phpmyadmin last;
        }


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


        location / {
                # First attempt to serve request as file, then
                # as directory, then fall back to displaying a 404.
                try_files $uri $uri/ /index.php?$query_string;
        }

        location ~ \.php$ {
                include snippets/fastcgi-php.conf;
                fastcgi_pass unix:/run/php/php7.0-fpm.sock;
        }

        location ~ /\.ht {
                deny all;
        }

    listen [::]:443 ssl ipv6only=on; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/www.mydomain.app/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/www.mydomain.app/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/mydomainssl-dhparams.pem; # managed by Certbot

server {
    if ($host = mydomain.app) {
        return 301 https://$host$request_uri;
    } # managed by Certbot

    if ($host = www.mydomain.app) {
        return 301 https://$host$request_uri;
    } # managed by Certbot

    if ($host = prod.mydomain.app) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


        listen 80 default_server;
        listen [::]:80 default_server;

        server_name XXX.XXX.XXX.XXX www.mydomain.app mydomain.app prod.mydomain.app;

    return 404; # managed by Certbot

}