nginx.conf

worker_processes  1;

events {
    worker_connections  1024;
}

http {
	server {
		listen          8081;       # Listen on port 8081 for IPv4 requests
		server_name     localhost;

		#Fix for the MIME label in the css files
		include       /etc/nginx/mime.types;
    	default_type  application/octet-stream;

		#this is the jenkins web root directory (mentioned in the /etc/default/jenkins file)
		root            /tomcat/webapps/ROOT;

		access_log      /var/log/nginx/jenkins/access.log;
  		error_log       /var/log/nginx/jenkins/error.log;

		location ~ "^\/static\/[0-9a-fA-F]{8}\/(images|css|scripts)\/(.*)$" {
			#rewrite all static files into requests to the root
			#E.g /static/12345678/images/something.png will become /images/something.png
			rewrite "^\/static\/[0-9a-fA-F]{8}\/(images|css|scripts)\/(.*)$" /$1/$2 last;
		}

		location /userContent {
			#have nginx handle all the static requests to the userContent folder files
			#note : This is the $JENKINS_HOME directory, the userContent folder is
			#located in the /var/jenkins_home/userContent directory
			root /var/jenkins_home/;

			if (!-f $request_filename){
				#this file does not exist, might be a directory url such as htpp://jenkins.EG.com/userContent
				rewrite (.*) /$1 last;
				#stop outer-scoper inheritance and make it behave like a normal if statement
				break;
			}

			sendfile on;
		}

		location @jenkins {
			#let @jenkins designate this location
			#if the css|js|image file is not found in root,
			#this block will redirect to the jenkins server
			sendfile off;
      		proxy_pass         http://127.0.0.1:8080;
      		proxy_redirect     default;

      		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_max_temp_file_size 0;

      		#this is the maximum upload size
      		client_max_body_size       100m;
      		client_body_buffer_size    1280k;

      		proxy_connect_timeout      900;
      		proxy_send_timeout         900;
      		proxy_read_timeout         900;

      		proxy_buffer_size          40k;
      		proxy_buffers              4 320k;
      		proxy_busy_buffers_size    640k;
      		proxy_temp_file_write_size 640k;
		}

		location / {
			#try to dispatch the files in root
			#if the requested file does not exist, redirect to the jenkins server
      		try_files $uri @jenkins;
		}
	}
}