1、写在前面
因为nginx是常用的负载均衡,在linux上有时只暴露80端口,但是linux有时需要安装很多服务,所有需要用nginx进行服务暴露,特别是docker
2、核心操作
- window安装nginx
- 启动nginx
- 场景一:多服务负载
- 场景二:多个服务路径负载
- nginx配置说明:https://www.runoob.com/w3cnote/nginx-setup-intro.html
- nginx刷新命令:nginx.exe -s reload(没有响应就代表成功)
- 参考linux负载:https://www.jianshu.com/p/dbb864b3bb87
- nginx学习视频:https://www.bilibili.com/video/av83533693
3、具体操作
3.1、window安装nginx
- nginx官方地址:http://nginx.org/
- 直接解压到指定的文件夹即可
3.2、启动nginx
- 双击nginx.exe接口(如果页面一闪而过就代表成功)
- 如果启动报错,可以查看logs里面的具体内容
- 访问页面:localhost
3.3、多服务负载
#user nobody;
worker_processes 1;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#access_log logs/access.log main;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
upstream mytomcat {
server 127.0.0.1:8082 weight=1;
server 127.0.0.1:8083 weight=2;
server 127.0.0.1:8084 weight=1;
}
server {
listen 80;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
location / {
proxy_pass http://mytomcat;
}
#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;
}
}
}
- 修改地方如下:
- 此时刷新就可以成功负载
3.3、多服务负载
- 根据域名进行多服务负载
#user nobody;
worker_processes 1;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#access_log logs/access.log main;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
upstream mytomcat1 {
server 127.0.0.1:8082 weight=1;
server 127.0.0.1:8084 weight=1;
}
upstream mytomcat2 {
server 127.0.0.1:8083;
}
server {
listen 80;
server_name www.enzo.com;
#charset koi8-r;
#access_log logs/host.access.log main;
#proxy_set_header X-Forwarded-Host $host;
#proxy_set_header X-Forwarded-Server $host;
#proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
location /a/ {
proxy_pass http://mytomcat1/;
}
location /b/ {
proxy_pass http://mytomcat2/;
}
#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;
}
}
}
- 前提是我在host上配置了:
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