Be aware these are only hints. You should know how to setup an apache2 server.

proxy and many server instances

• https://www.leaseweb.com/labs/2014/12/tutorial-apache-2-4-transparent-reverse-proxy/
• a2enmod proxy
• a2enmod proxy_http

test your wsgi setup

• http://hg.moinmo.in/moin/1.9/file/561b7a9c2bd9/wiki/server/test.wsgi