Nginx配置特定二级域名

server{
    listen 80;
    server_name bbs.domainname.com;

    root /var/www/html/bbs;
    index index.php index.html index.htm index.nginx-debian.html;
    
    location / {
        try_files $uri $uri/ =404;
    }

    error_page 404 /404.html;
    error_page 500 502 503 504 /50x.html;
    
    location = /50x.html {
        root /var/www/html/bbs;
    }

    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_pass unix:/run/php/php7.0-fpm.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    }
}

service nginx reload