Hi,
We are configuring the NGINX as a reverse proxy. We are expecting some 100 concurrent users or connections/sessions to be active at any given moment of time. Right now the server is acting as a reverse proxy for only one application. These concurrent users will connect predominantly between 6:00 AM to 7:00 PM. Based on this what should be the RAM and CPU configuration for the NGINX server?

Also is there a guideline or a blog entry which we can use to approximate the system requirements of NGINX servers based on the concurrent user load? And also what will be preferred OS for NGINX server?
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Have a nice day
Ragavie D