/etc/nginx/conf.d/shk.conf 

server {    
        client_max_body_size 20M;    
        client_body_temp_path /var/www/uploads_temp;    
        listen    46.101.186.164:80;    
        server_name  46.101.186.164;    
        root         /var/www/shk;

        location / {            
                proxy_pass_header Server;    
                proxy_temp_path /tmp/nginx 1 2;
                proxy_set_header  X-Real-IP  $remote_addr;    
                proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;    
                proxy_set_header Host $http_host;    
                proxy_set_header X-FORWARDED-PROTO $scheme;    
                proxy_redirect off;    
                proxy_pass http://localhost:3000;    
                break;    
        }

        location /monit/ {            
                proxy_set_header Host $host;    
                proxy_set_header  X-Real-IP  $remote_addr;    
                proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;    
                proxy_pass http://localhost:2812;    
                proxy_redirect off;    
                rewrite ^/monit/(.*) /$1 break;    
                proxy_ignore_client_abort on;    
        }

        error_page 503 @503;    
        # Return a 503 error if the maintenance page exists.    
        if (-f /var/www/shk/shared/public/system/maintenance.html) {      
                return 503;    
        }
        
        location @503 {      
            # Serve static assets if found.      
            if (-f $request_filename) {        
                break;    
            }
            # Set root to the shared directory.      
            root /var/www/shk/shared/public;    
            rewrite ^(.*)$ /system/maintenance.html 
            break;    
        }      
}