Server block subdomain Symfony

server {
        listen 80;
        listen [::]:80;

        root /home/ubuntu/projects/finlog-backend/web;

        # Add index.php to the list if you are using PHP
        index index.php app.php index.html index.htm index.nginx-debian.html;

        server_name finlog.creardigital.com www.finlog.creardigital.com;

        try_files $uri @rewriteapp;

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

        location / {
                #try_files $uri $uri/ =404;
                try_files $uri /app.php$is_args$args;
        }

        location @rewriteapp {
                rewrite ^(.*)$ /app.php/$1 last;
        }

        location ~ /\.ht {
                deny all;
        }

        error_log /var/log/nginx/finlog_error.log;
        access_log /var/log/nginx/finlog_access.log;
}