nginx负载均衡的配置

向往未来，缅怀过去，不知不觉又来到了下班年。往日依旧，大环境一如既往的经济萧条，所有的人都在忙碌，都在期待这忙碌之后的收获。我不会忘记去又怕忘记这陪伴我已久一段服务器配置，他陪伴了我多少个日日夜夜，让我一次又一次的解决了客户网站服务器的难题，我把这段服务器的配置展示分享一下

nginx.conf

user  www;
worker_processes  2;

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

pid        logs/nginx.pid;


events {
    
    use epoll;
    worker_connections 65535;
    multi_accept on;

}


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

    server_tokens off;

    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  logs/access.log  main;

    sendfile        on;
    tcp_nopush     on;
    keepalive_timeout  65;
    
    client_max_body_size 100m;


    gzip  on;

    gzip_min_length 1k;
    gzip_comp_level 4;
    gzip_types text/plain application/x-javascript application/javascript text/css application/xml text/javascript application/x-httpd-php image/jpeg image/gif image/png;
    gzip_vary off;


    server {
        listen       80;
        server_name  _;

	if ($host = "jxq.coastal-datatech.com"){
           rewrite ^(.*)$  https://$host$1 permanent;
        }

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        #location / {
        #    root   html;
        #    index  index.html index.htm;
        #}

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
	
	location / {
            proxy_set_header Host $host;
            proxy_set_header X-Forwarded-For $remote_addr;
            proxy_set_header request-uri $request_uri;
            proxy_pass http://app;
        }



        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        #    include        fastcgi_params;
        #}

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    upstream app {
 	#ip_hash;
 	server 127.0.0.1:8081;
	#server 172.23.7.173:8081;
	#server 172.23.7.171:8081;
	#server 127.0.0.1:8081;
	
  	keepalive 64;
    }
        
   include vhost/*.conf;



}

nginx.conf

#jxq.coastal-datatech.com

server {

        listen      8081; #443 ssl; #删掉 ssl on; 配置项 ssl写在443端口后面
       
        #server_name  jxq.coastal-datatech.com;
	server_name  127.0.0.1;
		
        #ssl_certificate      vhost/ssl/_en.coastal-datatech.com.pem;
        #ssl_certificate_key  vhost/ssl/_en.coastal-datatech.com.key;

        #让http请求重定向到https请求
        #error_page 497  https://$host$uri?$args; 

        #ssl_session_cache    shared:SSL:1m;
        #ssl_session_timeout  5m;

        #ssl_ciphers  HIGH:!aNULL:!MD5;
        #ssl_prefer_server_ciphers  on;	

	error_page  404              /index.html;
	
	
        location / {
            root   /www/jxq.coastal-datatech.com/public;
            index  index.html index.htm;

	    if ($request_uri ~* "\.(gif|jpg|jpeg|png|bmp|swf|css|js|ttf|json)") {
        	#expires 15d;
        	break;
            }
            
	    if ($request_uri ~* "robots\.txt") {
       		#expires 15d;
        	break;
            }
			
	    if (!-e $request_filename) {
		rewrite  ^(.*)$  /index.php?s=/$1  last;
		break;
	    }
	    client_max_body_size 1000M;
			
			
        }

	location ~ \.php$ {
            root           /www/jxq.coastal-datatech.com/public;
            fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
			
	    #下面两句是给fastcgi权限，可以支持 ?s=/module/controller/action的url访问模式
            fastcgi_split_path_info  ^((?U).+\.php)(/?.+)$;
	    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
	    #下面两句才能真正支持 index.php/index/index/index的pathinfo模式
            fastcgi_param  PATH_INFO  $fastcgi_path_info;
            fastcgi_param  PATH_TRANSLATED  $document_root$fastcgi_path_info;
            include        fastcgi_params;
        }
 }