nginx config for PHP 7.1

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

        # SSL configuration
        #
        # listen 443 ssl default_server;
        # listen [::]:443 ssl default_server;
        #
        # Note: You should disable gzip for SSL traffic.
        # See: https://bugs.debian.org/773332
        #
        # Read up on ssl_ciphers to ensure a secure configuration.
        # See: https://bugs.debian.org/765782
        #
        # Self signed certs generated by the ssl-cert package
        # Don't use them in a production server!
        #
        # include snippets/snakeoil.conf;

        root /var/www/html/public;

        # Add index.php to the list if you are using PHP
        index index.html index.php;

        server_name localhost; ####################### replace "localhost" with your IP ######################

        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;
        }

        # pass PHP scripts to FastCGI server
        location ~ \.php$ {
                include snippets/fastcgi-php.conf;
                fastcgi_pass unix:/var/run/php/php7.1-fpm.sock;
                include fastcgi_params;
        }

        # deny access to .htaccess files
        #location ~ /\.ht {
        #       deny all;
        #}
}

Can you please update the ssl block as well?