#cd nginx source folder

cd /usr/local/nginx/nginx-1.18.0


wget https://github.com/yaoweibin/nginx_upstream_check_module/archive/refs/heads/master.zip

unzip master.zip

mkdir nginx_upstream_check_module

mv nginx_upstream_check_module/* ./nginx_upstream_check_module/

./configure --add-module=./nginx_upstream_check_module

#if need ssl
#./configure --add-module=./nginx_upstream_check_module --with-http_ssl_module

#backup old nginx file
mv /usr/local/nginx/sbin/nginx /usr/local/nginx/sbin/nginx.old

#replace new nginx file
mv /usr/local/nginx/nginx-1.18.0/objs/nginx /usr/local/nginx/sbin/nginx

#check nginx modules
/usr/local/nginx/sbin/nginx -t

#reload nginx
/usr/local/nginx/sbin/nginx -s reload

nginx_upstream_check_module相关配置：

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}




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


    upstream guccimpapi{

        server localhost:8000;
        server localhost:9000;

        # Enable health checks
        check interval=3000 rise=2 fall=2 timeout=2000;

        # HTTP settings for health checks
        check_http_send "HEAD /api/health HTTP/1.0\r\n\r\n";
        check_http_expect_alive http_2xx http_3xx;
    } 

    server {
    
        listen       80;
        listen 443 ssl;

        server_name  xxxx.com;

        root         /usr/local/nginx/html/wecom-crm;

        location / {
            try_files $uri $uri/ /index.html;
        }

        ssl_certificate  /usr/local/nginx/ssl/xxx.pem;
        ssl_certificate_key /usr/local/nginx/ssl/xxx.key;
        ssl_session_timeout 5m;
        ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        ssl_prefer_server_ciphers on;
    

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

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

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

         location /mp/ {
            proxy_pass http://guccimpapi;
            proxy_set_header  Host             $host;
            proxy_set_header  X-Real-IP        $remote_addr;
            proxy_set_header  X-Forwarded-For  $proxy_add_x_forwarded_for;
            proxy_connect_timeout 15s;
            proxy_send_timeout 15s;
            proxy_read_timeout 15s;
        }

        #proxy-end====================================
    }
}