一张小图看尽 Nginx

[root@centos7 nginx-1.18.0]# ./configure --prefix=/usr/local/nginx[root@centos7 nginx-1.18.0]# make[root@centos7 nginx-1.18.0]# make install

listen *:80 | *:8080      #监听所有80端口和8080端口listen  IP_address:port   #监听指定的地址和端口号listen  IP_address        #监听指定ip地址所有端口listen port               #监听该端口的所有IP连接

server_name   name ...;

server_name 192.168.1.1

牛逼啊！接私活必备的 N 个开源项目！赶快收藏吧

#精确匹配,/后面不能带任何字符
server {
        listen       80;
        server_name  www.itmayiedu.com;
        #精确匹配,注解后面不能带任何字符
        location =/ {
            proxy_pass http://127.0.0.1:8080;
            index  index.html index.htm;
        }
}

 #匹配所有以/开头请求
server {
        listen       80;
        server_name  www.itmayiedu.com;
       #匹配所有以/开头请求 
        location / {
            proxy_pass http://127.0.0.1:8080;
            index  index.html index.htm;
        }
    }
###  以开头/itmayiedu_8080拦截  默认开启不区分大小写
    server {
        listen       80;
        server_name  www.itmayiedu.com;
        ###  以开头/itmayiedu_8080 最终跳转到http://127.0.0.1:8080/;
        location /itmayiedu_8080/ {
            proxy_pass http://127.0.0.1:8080/;
            index  index.html index.htm;
        }
        ###  以开头/itmayiedu_8080 最终跳转到http://127.0.0.1:8081/;
        location /itmayiedu_8081/ {
            proxy_pass http://127.0.0.1:8081/;
            index  index.html index.htm;
        }
    }
### 开头区分大小写

proxy_pass URL;

server
{
    listen 80 ;
    server_name mxiaoqi.top aaa.com;
    if ( $host = mxiaoqi.top )
    #增加判断条件，当访问域名是mxiaoqi.top的时候
    {
        rewrite /(.*)  http://aaa.com/$1 permanent;
        #把mxiaoqi.top/后面的内容重新写到aaa.com/后面如果后面有多段则使用$2、$3以此类推
        #permanent是转发状态码
    }
    index index.html index.htm index.php;
    root /data/wwwroot/mxiaoqi.top;
    }

server {
         listen       80;
         server_name  www.123.com;

         location / {
             proxy_pass http://127.0.0.1:8080;
                          # 欢迎页面，按照从左到右的顺序查找页面
             index  index.html index.htm index.jsp;
         }
     }

Syntax:    limit_req zone=name [burst=number] [nodelay];
Default:    —
Context:    http, server, location

Syntax:    limit_conn zone number;
Default:    —
Context:    http, server, location

limit_conn_zone $binary_remote_addr zone=addr:10m;
server {
    location /download/ {
        limit_conn addr 1;
    }

#user  nobody;
worker_processes  1;
error_log  logs/error.log;# 开启日志
pid        logs/nginx.pid;
...
    upstream lyf {
    server 192.168.37.220:8001; # 3个tomcat服务
    server 192.168.37.220:8002;
    server 192.168.37.220:8003;
    }
    server {
        listen       80;
        server_name  192.168.37.220;# 监听ip
        location / {
            proxy_pass   http://lyf;  # 设置代理
            index  index.html index.htm;
        }
}

upstream tomcats { 
# server 192.168.1.173:8080 max_fails=2 fail_timeout=1s; 
server 192.168.1.190:8080; 
# server 192.168.1.174:8080 weight=1; 
# server 192.168.1.175:8080 weight=1; 
keepalive 32; 
}
server {
listen 80; 
server_name www.tomcats.com; 
location / { 
proxy_pass http://tomcats; 
proxy_http_version 1.1; 
proxy_set_header Connection ""; 
} 
}

upstream  dalaoyang-server {
       server    localhost:10001 weight=1;
       server    localhost:10002 weight=2;
}

upstream  dalaoyang-server {
       ip_hash; 
       server    localhost:10001 weight=1;
       server    localhost:10002 weight=2;
}

upstream  dalaoyang-server {
       least_conn;
       server    localhost:10001 weight=1;
       server    localhost:10002 weight=2;
}

upstream  dalaoyang-server {
       server    localhost:10001 weight=1;
       server    localhost:10002 weight=2;
       fair;  
}