NGINX Cookbook

Learn-based tracking

1. If you can leverage an existing, unique identifier from your application to use for session tracking, you can avoid having to create any further cookies. Many common web frameworks set the session as a cookie for tracking, so as long as you know the name of the cookie then it can be used. Here's what our recipe looks like:

      upstream stickyapp { 
          server 127.0.0.1:8080; 
          server 127.0.0.1:8081; 
          server 127.0.0.1:8082; 
          sticky learn create=$upstream_cookie_sessionid           lookup=$cookie_sessionid zone=client_sessions:1m; 
      } 
 
      server { 
          listen       80; 
          server_name  session.nginxcookbook.com; 
          access_log  /var/log/nginx/sessiontest-access.log  combined; 
          location / { 
              proxy_pass http://stickyapp; 
          } 
      }

2. To test, you'll need to ensure that your application ...