Nginx three main functions

1, do static state resource server can be used for front-end project release, image files and other static file server.
2, anti do to the proxy server, the domain name is often configured on Nginx, real business servers hiding behind it.
3, do negative load balancing server cluster as a load of the ingress gateway.
Another: Nginx + Lua, form a similar OpenResty, as an all-around development framework, a wider range of services for the open service and deployment.