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Nginx反向代理以及配置优化

时间:2023-06-02 16:16:41 来源: 人气:

   下面配置包含了,nginx配置的一个比较全面的反向代理的例子:,  user www www,  worker_processes 8;,  events {,  use epoll;,  worker_connections 10240;,  },  pid /opt/work/log/nginx.pid;,  error_log /dev/null error;,  http {,  include /opt/nginx/conf/mime.types;,  default_type text/html;,  log_format pv [$time_local]|$remote_addr|$cookie_SUV|$args|$http_referer|$http_user_agent;,  log_format main $request_time $remote_addr $cookie_SUV [$time_local] $status "$request" $body_bytes_sent "$http_referer" "$http_user_agent" "$http_x_forwarded_for" "$cookie_Fr";,  log_format pbmain $remote_addr - $remote_user [$time_local] "$request",  $status $body_bytes_sent "$http_user_agent";,  access_log off;,  sendfile on;,  keepalive_timeout 0;,  gzip on;,  #允许客户端请求的最大单个文件字节数,  client_max_body_size 200m;,  upload_progress proxied 8m;,  #DNS服务器ip,  resolver 192.168.1.1;,  proxy_set_header Host $http_host;,  proxy_set_header x-forwarded-for $remote_addr;,  proxy_cache_key "$scheme$host$request_uri";,  proxy_cache_path /opt/work/cache levels=1:2:1 keys_zone=js_cache:100m max_size=1024m inactive=15d;,  proxy_cache_valid any 15d;,  upstream backend {,  ip_hash;,  server 127.0.0.1:8080 weigth=4 max_fails=2 fail_timeout=30s;,  server 127.0.0.1:8081 weigth=3 max_fails=2 fail_timeout=30s;,  },  upstream liveBackends {,  server 192.168.1.15:9090;,  server 192.168.1.16:9090;,  #备机,  server 192.168.1.17:9090 backup;,  },  server{,  listen 80;,  server_name www.myserver1.com;,  error_log /opt/work/log/nginx_error.log error;,  client_max_body_size 200m;,  proxy_set_header Host $http_host;,  proxy_set_header x-forwarded-for $remote_addr;,  proxy_buffer_size 64k;,  proxy_buffers 32 64k;,  #查看服务状态,  location /server-status {,  stub_status on;,  access_log off;,  allow all;,  },  location ^~ /pv {,  access_log /opt/work/log1/nginx_access.log pv;,  proxy_pass http://backend;,  },  location ^~ /cc.do,  {,  proxy_pass http://backend;,  },  location ^~/favicon.ico{,  alias /usr/local/src/web/favicon.ico;,  },  location ^~ /pv2 {,  access_log /opt/work/log2/nginx_access.log pv;,  access_log /opt/work/log/main/nginx_access_main.log main;,  error_log /opt/work/log/error/nginx_error.log error;,  return 204;,  },  location /proxy/,  {,  #后端返回502,504,执行超时等错误,自动将请求转发到upstream负载池中另一台服务器,  proxy_next_upstream http_502 http_504 error timeout invalid_header;,  proxy_pass http://backend;,  },  #禁止访问除以外的其他目录,  location /{,  deny all;,  },  },  server{,  listen 80;,  server_name www.myserver2.com;,  root /www;,  location ~ t1.(gif)$ {,  root /www;,  expires -1;,  access_log /data/log/access.log pbmain;,  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;,  },  location ~ t2.(gif)$ {,  root /www;,  expires -1;,  access_log /data/log/access.log pbmain;,  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;,  if ($args ~ "ltype=1(&|$)") {,  proxy_pass http://liveBackends;,  },  },  location /server-status {,  stub_status on;,  access_log off;,  allow 10.0.0.0/8;,  allow 192.168.0.0/16;,  deny all;,  },  error_page 404 /404.html;,  error_page 500 502 503 504 /50x.html;,  location = /50x.html {,  root html;,  },  },  },  配置完后通过命令 nginx -t (或者nginx -t -c 配置文件路径)来检查配置文件是否有语法错误,没有错误后就可以启动了 /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf ,用默认路径配置文件的话可以不加-c,  从容停止kill -QUIT nginx主进程号,  平滑重启 kill -HUP nginx主进程号,  配置文件修改可以通过不停机reload的方式实现加载。 nginx -s reload,

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