nginx.conf.d.backend

    upstream example.com.backend  {
        server 127.0.0.1:3000;
    }

    # redirect with 
    server {
        listen      80;
        server_name example.com *.example.com;
        rewrite ^   http://www.example.com$request_uri? permanent;
    }

    server {
        listen      80;
        server_name example.com;
        rewrite_log on;

        charset     utf-8;
        access_log  /var/log/nginx/example.com/access.log;
        error_log   /var/log/nginx/example.com/error.log;

        location / {
            proxy_pass http://example.com.backend;
            proxy_redirect default;
        }
    }

#    server {
#        listen 443;
#        server_name example.com;
#        ssl on;
#        ssl_certificate /etc/nginx/ssl/example.com.crt;
#        ssl_certificate_key /etc/nginx/nginx/example.com.key;
#
#        ssl_session_timeout 5m;
#        ssl_protocols  SSLv2 SSLv3 TLSv1;
#        ssl_ciphers  HIGH:!aNULL:!MD5;
#        ssl_prefer_server_ciphers   on;
#
#        rewrite_log  on;
#
#        charset utf-8;
#        access_log  /var/log/nginx/example.com/access.log;
#        error_log  /var/log/nginx/example.com/error.log;
#
#        location / {
#            proxy_redirect                          off;
#            proxy_set_header Host                   $host;
#            proxy_set_header X-Real-IP              $remote_addr;
#            proxy_set_header X-Forwarded-Proto      https;
#            proxy_set_header X-Forwarded-Host       $host;
#            proxy_set_header X-Forwarded-Server     $host;
#            proxy_set_header X-Forwarded-For        $proxy_add_x_forwarded_for;
#            proxy_pass http://example.com.backend;
#            break;
#        }
#    }