java - nginix setup for cas and distributed application -

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i'm having distributed application different modules running on different tomcats ports. example login service (cas) running on 8080 tomcat port, reporting service of application running on tomcat 8081 port. main application running in side different tomcat port 8083 , have single domain application i.e. www.example.com.com.

i wondering how manage using nginix , if user getting logged in application , tries access module on other sever how session preserved.

in short how can configure nginix distributed application i.e. application distributed on several servers.

below content on nginix file.

server {     listen 80;     server_name mysite.com;     charset utf-8;    rewrite     ^(.*)   https://$server_name$1 permanent;  }  server {     listen 443;     ssl on;     ssl_certificate /etc/nginx/server.crt;     ssl_certificate_key /etc/nginx/server.key;     server_name mysite.com;     error_log /var/log/nginx/mysite-qa-error.log;     charset utf-8;      location ~ ^/cas/(.*)$ {             proxy_pass http://localhost:140;             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;     }

mysite application running on 9001 tomcat port.

how redirect nginix application cas


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