Nginx反向代理以及配置优化
来源:互联网 发布:哈利波特宝箱淘宝 编辑:程序博客网 时间:2024/05/20 16:11
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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