1. Introduction to Nginx
Business background: In a high-concurrency scenario, the processing capacity of the server is always limited. The memory/CPU of a single computer cannot increase infinitely, but the number of users may continue to increase. Therefore, Nginx has emerged to achieve load balancing and deploy the same set of applications to multiple servers to provide services. The user request first goes to Nginx, and then Nginx forwards the request to the subsequent application server.
Working principle of Nginx: nginx (pronounced the same as engine x ) is a lightweight web server/ reverse proxy server and email ( IMAP/POP3 ) proxy server. It uses multi-process work by default. Ngi