nginx.conf用处

nginx.conf是Nginx服务器的主配置文件，用于配置Nginx服务器的各种参数和指令。通过修改nginx.conf文件，可以对Nginx服务器进行各种配置，例如监听端口、虚拟主机配置、负载均衡配置、缓存配置、SSL证书配置等等。nginx.conf文件的作用非常重要，它直接影响到Nginx服务器的性能和功能。

以下是一个nginx.conf文件的示例：

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;

events {
    worker_connections  1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile        on;    keepalive_timeout  65;

    server {
        listen       80;
        server_name  localhost;

        location / {
            root   /usr/share/nginx/html;
            index  index.html index.htm;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   /usr/share/nginx/html;
        }
    }
}