我整理了一份Nginx的配置文件说明，是真正经历过正式线上考验过。如果有优化的地方，也请朋友们指点一二，整理出一份比较全而实用的配置。

主要包含配置：负载均衡配置，页面重定向，转发，HTTPS和HTTP的配置, 缓存优化，错误页面配置等。

#user  nobody;
#工作进程，于CPU核数一致
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 {# 设置可连接数worker_connections  2048;#优化同一时刻只有一个请求而避免多个睡眠进程被唤醒的设置，on为防止被同时唤醒，默认为off，因此nginx刚安装完以后要进行适当的优化。accept_mutex on;#打开同时接受多个新网络连接请求的功能multi_accept on;
}http {include       mime.types;default_type  application/octet-stream;#隐藏nginx的版本号server_tokens off;#日志格式log_format  main  '$remote_addr - $remote_user [$time_local] "$request" ''$status $body_bytes_sent "$http_referer" ''"$http_user_agent" "$http_x_forwarded_for"';#日志保存access_log  logs/access.log  main;sendfile        on;tcp_nopush     on;#保持连接超时时间keepalive_timeout  60;# 启动内容压缩，有效降低网络流量gzip on;    # 过短的内容压缩效果不佳，压缩过程还会浪费系统资源gzip_min_length 1000;# 可选值1~9,压缩级别越高压缩率越高，但对系统性能要求越高gzip_comp_level 4;# 压缩的内容类别gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;# 静态文件缓存open_file_cache max=65535 inactive=20s;open_file_cache_valid 30s;open_file_cache_min_uses 2;#server {#  listen       80;# server_name  localhost;#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;#  }# 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;#    }#}#负载均衡 使用ip_hash策略，集群部署upstream raysonblog.cn {server 123.45.678.901:8081 weight=10 max_fails=1 fail_timeout=10s;server 123.45.678.902:8089 weight=5 max_fails=1 fail_timeout=10s;}# HTTPS serverserver {listen       443 ssl;server_name  www.raysonblog.cn;# 开启 sslssl on;# 指定 ssl 证书路径ssl_certificate cert/www.raysonblog.cn_bundle.crt;# 指定私钥文件路径ssl_certificate_key cert/raysonblog.cn.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;proxy_http_version 1.1;proxy_set_header Upgrade $http_upgrade; # 支持Websocketproxy_set_header Connection "upgrade"; # 支持Websocketproxy_set_header Host $host:$server_port; proxy_set_header  X-Forwarded-Server $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header  X-Forwarded-Proto $scheme; # 真实用户访问协议proxy_set_header REMOTE-HOST $remote_addr;  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;proxy_max_temp_file_size 0;# 配置缓存client_max_body_size 10m;client_body_buffer_size 128k;proxy_connect_timeout 18000;proxy_send_timeout 18000;proxy_read_timeout 18000;proxy_buffer_size 4k;proxy_buffers 4 32k;proxy_busy_buffers_size 64k;proxy_temp_file_write_size 64k;# 处理/项目名a/a.jsp重定向到/项目名b/b.jsplocation = /项目名a/a.jsp { rewrite . /项目名b/b.jsp permanent; # permanent 永久}location /项目名c { # 转发 proxy_pass http://127.0.0.1:8080/项目名c;}  location /项目名d { #转发 proxy_pass http://127.0.0.1:8080/项目名d;} location /blog { # 负载均衡跟upstream 的配置一致proxy_pass http://raysonblog.cn/blog;}}# HTTP Server
server {# 服务名及配置，一个服务下可以有多个location用来表示不同的反向代理  listen       80; # 端口号  server_name  www.raysonblog.cn; #主机名，默认是本主机  proxy_http_version 1.1;proxy_set_header Upgrade $http_upgrade;proxy_set_header Connection "upgrade";proxy_set_header Host $host:$server_port; proxy_set_header  X-Forwarded-Server $host;proxy_set_header X-Real-IP $remote_addr;proxy_set_header  X-Forwarded-Proto $scheme;        # 真实用户访问协议proxy_set_header REMOTE-HOST $remote_addr;  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;proxy_max_temp_file_size 0;client_max_body_size 10m;client_body_buffer_size 128k;proxy_connect_timeout 18000;proxy_send_timeout 18000;proxy_read_timeout 18000;proxy_buffer_size 4k;proxy_buffers 4 32k;proxy_busy_buffers_size 64k;proxy_temp_file_write_size 64k;location = /MP_verify_1wqwq.txt {root weixin; #weixin是nginx目录下html文件里的weixin文件夹}# 处理/项目名a/a.jsp重定向到/项目名b/b.jsplocation = /项目名a/a.jsp { rewrite . /项目名b/b.jsp permanent; # permanent 永久}location /项目名c { # 转发 proxy_pass http://127.0.0.1:8080/项目名c;}  location /项目名d { #转发 proxy_pass http://127.0.0.1:8080/项目名d;} location /blog { # 负载均衡跟upstream 的配置一致proxy_pass http://raysonblog.cn/blog;}
}}

后续也会继续完善此配置，大家在配置的时候，基本上可以满足应用了。。。
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