Hi, Note: I had to change the hostnames and domain names. nginx version: nginx/1.4.6 (Ubuntu) I have the following the configuration: upstream ssl-app-cluster { ip_hash; server app01.example.com:8443 max_fails=1 fail_timeout=60s; server app02.example.com:8443 max_fails=1 fail_timeout=60s; } And during the Application deployment(rolling deployment)by Ravitezu - Nginx Mailing List - English