一、 Nginx能做什么

1.反向代理
2.负载均衡
3.HTTP服务器（包含动静分离）
4.正向代理

例如： 我当前配置的服务器

1、配置http
2、配置https
3、配置反向代理

[root@asia~]# cat /etc/nginx/nginx.conf
# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    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;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 4096;

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

    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    include /etc/nginx/conf.d/*.conf;

    server {
        listen       80;
        listen       [::]:80;
        server_name  strdiff.cn;
        root         /usr/share/nginx/html;

        # Load configuration files for the default server block.
        include /etc/nginx/default.d/*.conf;
        
        location / {
                proxy_pass http://127.0.0.1:8000;
        }

        error_page 404 /404.html;
        location = /404.html {
        }

        error_page 500 502 503 504 /50x.html;

        location = /50x.html {
        }
    }

# Settings for a TLS enabled server.

    server {
        listen       443 ssl;
#        listen       [::]:443 ssl http2;
        server_name  nidemiao.cn;
        root         /usr/share/nginx/html;

        ssl_certificate "/opt/sslOther/9385966_nidemiao.cn.pem";
        ssl_certificate_key "/opt/sslOther/9385966_nidemiao.cn.key";
        ssl_session_cache shared:SSL:1m;
        ssl_session_timeout  10m;
        ssl_ciphers HIGH:!aNULL:!MD5;
        ssl_prefer_server_ciphers on;

        # Load configuration files for the default server block.
        include /etc/nginx/default.d/*.conf;

#       location / {
#               proxy_pass https:google.com;
#       }
#        resolver        8.8.8.8;
        location / {
                root html;
                index index.html index.htm;
                proxy_pass https://www.google.com;
                proxy_connect_timeout 120;
                proxy_read_timeout 600;
                proxy_send_timeout 600;
                send_timeout 600;
                proxy_redirect    off;
                proxy_set_header X-Real-IP $remote_addr;
                proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }


        error_page 404 /404.html;
            location = /40x.html {
        }

        error_page 500 502 503 504 /50x.html;
            location = /50x.html {
        }
    }

}