1 概念 The ngx_http_upstream_module is used to define groups of servers that can be referenced by the proxy_pass, fastcgi_pass, uwsgi_pass, scgi_pass, memcached_pass, and grpc_pass directives. nginx反向代理做动静分离时,比如proxy_pass,后面只能写一个地址,如:http://127.0.0.1:8…