Host multiple site + nextcloud + postgreSQL + nginx + external storage raspberry pi

Hello Everyone
When i install nextxloud i go to http://IP_SERVER/nextcloud. In my Chrom see start page wihout NC CSS. I complet form and when i click complet nextcloud redirect to login page but when i try to login it’s nothing happend -> tahat’s my first problem!

Second problem when enable site in /etc/nginx/site-enable/nextcloud i can’t host my other site. When I remove conf nextcloud site in /etc/nginx/site-anable my other site work corectly.

My other App i create in Django

My conf nginx netcloud file:

server {
    listen 80;
    listen [::]:80;
    root /var/www/html/nextcloud;
    index  index.php index.html index.htm;
    server_name  name.pl

    location / {
        rewrite ^ /index.php$uri;
    }

    location ~ ^/(?:build|tests|config|lib|3rdparty|templates|data)/ {
        return 404;
    }
    location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console) {
        return 404;
    }

    location ~ ^/(?:index|remote|public|cron|core/ajax/update|status|ocs/v[12]|updater/.+|ocs-provider/.+)\.php(?:$|/) {
        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        fastcgi_pass      unix:/var/run/php/php7.3-fpm.sock; # Ubuntu 17.10
    #   fastcgi_pass      unix:/var/run/php/php7.0-fpm.sock; # Ubuntu 17.04
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param PATH_INFO $fastcgi_path_info;
        fastcgi_intercept_errors on;
        fastcgi_request_buffering off;
    }


    location ~ ^/(?:updater|ocs-provider)(?:$|/) {
        try_files $uri $uri/ =404;
        index index.php;
    }

    location ~* \.(?:svg|gif|png|html|ttf|woff|ico|jpg|jpeg)$ {
        try_files $uri http://name.pl/index.php$uri$is_args$args;
        access_log off;
    }

}

Thank’s for help