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 server
server {
listen 443 ssl;
server_name www.raysonblog.cn;
# 开启 ssl
ssl 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Websocket
proxy_set_header Connection "upgrade"; # 支持Websocket
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;
# 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.jsp
location = /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.jsp
location = /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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