nginx的配置文件的详细说明及最优配置

#user nobody;

#开启进程数 <=CPU数 也可以设置成自动

worker_processes 1;

#每个进程最大连接数（最大连接=连接数x进程数）每个worker允许同时产生多少个链接，默认1024

events {

worker_connections 10240;

use epoll;

}

#进程号保存文件

#pid logs/nginx.pid;

#错误日志保存位置

#error_log logs/error.log;

#error_log logs/error.log notice;

#error_log logs/error.log info;

http {

#文件扩展名与文件类型映射表

include mime.types;

#默认文件类型

default_type application/octet-stream;

#日志文件输出格式 这个位置相于全局设置

log_format main '$remote_addr - $remote_user [$time_local] "$request" '

'$status $body_bytes_sent "$http_referer" '

'"$http_user_agent" "$http_x_forwarded_for"';

#请求日志保存位置

#access_log logs/access.log main;

fastcgi_intercept_errors on;

charset utf-8;

server_names_hash_bucket_size 128;

client_header_buffer_size 4k;

large_client_header_buffers 4 32k;

client_max_body_size 300m;

#打开发送文件

sendfile on;

tcp_nopush on;

#连接超时时间

keepalive_timeout 65;

tcp_nodelay on;

client_body_buffer_size 512k;

proxy_connect_timeout 5;

proxy_read_timeout 60;

proxy_send_timeout 5;

proxy_buffer_size 16k;

proxy_buffers 4 64k;

#设定请求缓冲

#client_header_buffer_size 1k;

#large_client_header_buffers 4 4k;

proxy_busy_buffers_size 128k;

proxy_temp_file_write_size 128k;

#打开gzip压缩

#gzip on;

gzip on;

gzip_min_length 1k;

gzip_buffers 4 16k;

gzip_http_version 1.1;

gzip_comp_level 2;

gzip_types text/plain application/x-javascript text/css application/xml;

gzip_vary on;

#webapp

#设定负载均衡的服务器列表

#upstream myproject {

#weigth参数表示权值，权值越高被分配到的几率越大

#max_fails 当有#max_fails个请求失败，就表示后端的服务器不可用，默认为1，将其设置为0可以关闭检查

#fail_timeout 在以后的#fail_timeout时间内nginx不会再把请求发往已检查出标记为不可用的服务器

upstream web_app {

server 192.168.10.12:8080 weight=1 max_fails=2 fail_timeout=30s;

server 192.168.10.13:8080 weight=1 max_fails=2 fail_timeout=30s;

}

#配置虚拟主机，基于域名、ip和端口

server {

#监听端口

listen 80;

#监听域名

server_name localhost;

#charset koi8-r;

#nginx访问日志放在logs/host.access.log下，并且使用main格式（还可以自定义格式）

#access_log logs/host.access.log main;

#返回的相应文件地址

location / {

#设置客户端真实ip地址

#proxy_set_header X-real-ip $remote_addr;

#负载均衡反向代理

#proxy_pass http://myapp;

#返回根路径地址（相对路径:相对于/usr/local/nginx/）

root html;

#默认访问文件

index index.html index.htm;

}

#配置反向代理tomcat服务器：拦截.jsp结尾的请求转向到tomcat

#location ~ \.jsp$ {

# proxy_pass http://192.168.10.11:8080;

#}

#error_page 404 /404.html;

# redirect server error pages to the static page /50x.html

#

#错误页面及其返回地址

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;

#}

}

#虚拟主机配置：

server {

listen 1234;

server_name bhz.com;

location / {

#正则表达式匹配uri方式：在/usr/local/nginx/下 建立一个test.html 然后使用正则匹配

#location ~ test {

## 重写语法：if return （条件 = ~ ~*）

#if ($remote_addr = 192.168.11.20) {

# return 401;

#}

#if ($http_user_agent ~* firefox) {

# rewrite ^.*$ /firefox.html;

# break;

#}

root bhz.com;

index index.html;

}

#location /goods {

# rewrite "goods-(\d{1,5})\.html" /goods-ctrl.html;

# root bhz.com;

# index index.html;

#}

#配置访问日志

access_log logs/bhz.com.access.log main;

}

# 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;

# }

#}

}