nginx动静分离

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本文详细介绍了如何使用Nginx与Tomcat搭建高效稳定的服务集群，包括配置动静分离、负载均衡及与Python3+Django应用的整合。通过实际操作步骤，展示了如何在Linux环境下安装并配置这些组件，实现资源的最优分配。

1.nginx+tomcat

yum install java -y
wget https://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-9/v9.0.34/bin/apache-tomcat-9.0.34.tar.gz
mkdir /soft
tar xf apache-tomcat-9.0.34.tar.gz -C /soft/
ln -s /soft/apache-tomcat-9.0.34/ /soft/tomcat	#创建软连接方便升级
/soft/tomcat/bin/startup.sh	#启动tomcat
#注意tomcat默认运行在8080端口
vim /etc/nginx/conf.d/tomcat.oldxu.conf
-------------/etc/nginx/conf.d/tomcat.oldxu.conf-------------------
server {
	listen 80；
	server_name tomcat.oldxu.com;
	location / {
		proxy_pass http://127.0.0.1:8080;
		proxy_set_header Host $http_host;
		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
	}
	location ~* \.(png|gif)$ {
		root /code/images;
		expire 30d;
	}
}
-------------/etc/nginx/conf.d/tomcat.oldxu.conf结束----------------
mv /soft/tomcat/webapps/ROOT/*.png /code/images
mv /soft/tomcat/webapps/ROOT/*.gif /code/images

Windows的c:\windows\system32\drives\etc\hosts中添加：

10.0.0.7 tomcat.oldxu.com

在浏览器中输入域名tomcat.oldxu.com即可访问。

2.动静分离实例

静态资源10.0.0.8

cat /etc/nginx/conf.d/ds.oldxu.conf
---------------/etc/nginx/conf.d/ds.oldxu.conf-------------------
server {
	listen 80;
	server_name ds.oldxu.com;
	root /code/images;
	location / {
		index index.html;
	}
}
-------------/etc/nginx/conf.d/ds.oldxu.conf结束------------------
mkdir /code/images;
cd /code/images
wget http://nginx.org/nginx.png
nginx -t
systemctl restart nginx

动态资源10.0.0.7：

vim /soft/tomcat/webapps/ROOT/index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<html>
  <head>
    <title>Nginx+Tomcat动静分离</title>
  </head>
  <body>
    <%
        Random rand = new Random();
        out.println("<h2>动态资源</h2>");
        out.println(rand.nextInt(99)+100);
 	%>
        <h2>静态图片</h2>
            <img src="nginx.png" />
     </body>
 </html>

负载均衡10.0.0.5：

vim /etc/nginx/conf.d/proxy_ds.oldxu.conf
-----------/etc/nginx/conf.d/proxy_ds.oldxu.conf-------------
upstream java {
	server 172.16.1.8:8080:
}
upstream static {
	server 172.16.1.7:80;
}
server {
	listen 80;
	server_name ds.oldxu.com;
	location ~* \.(png|gif|jpg)$ {
		proxy_pass http://static;
		include proxy_params;
	}
	location / {
		proxy_pass http://java;
		include proxy_params;
	}
}
--------/etc/nginx/conf.d/proxy_ds.oldxu.conf结束-------------
nginx -t
systemctl restart nginx

Windows的c:\windows\system32\drives\etc\hosts中添加：

10.0.0.5 ds.oldxu.com

在浏览器中输入域名ds.oldxu.com即可访问。

3.python3+django开发的博客

#步骤一、安装 python3 的环境
yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel \
sqlite-devel gcc gcc-c++  openssl-devel zlib zlib-devel python3 python3-devel -y
#步骤二、安装 Django 框架、uwsgi
[root@web01 ~]# pip3 install -i https://mirrors.aliyun.com/pypi/simple/ --upgrade pip
[root@web01 ~]# pip3 install -i https://mirrors.aliyun.com/pypi/simple/ django==2.1.8
[root@web01 ~]# pip3 install -i https://mirrors.aliyun.com/pypi/simple/ uwsgi

#步骤三、配置Django工程
[root@web02 ~]# cd /opt
[root@web02 opt]# django-admin.py startproject demosite
[root@web02 ~]# vim /opt/demosite/demosite/settings.py
#仅仅修改这一行
ALLOWED_HOSTS = ['*']

[root@web02 ~]# python3 /opt/demosite/manage.py runserver 0.0.0.0:9999
#步骤四、配置uWSGI、配置Nginx
[root@web02 ~]#cat /opt/demosite/uwsgi.ini
--------------/opt/demosite/uwsgi.ini-----------------
[uwsgi]
#uwsgi监听的端口
socket = 127.0.0.1:9999
#uwsgi启动进程数
workers = 2
#最大接收的请求数
max-requests = 1000
#buffer缓冲区大小
buffer-size = 30000
#进程pid存放路径
pidfile = /run/uwsgi.pid
#uwsgi日志存储路径
daemonize = /var/log/uwsgi.log
--------------/opt/demosite/uwsgi.ini结束-----------------
[root@web02 ~]# uwsgi --ini /opt/demosite/uwsgi.ini
[uWSGI] getting INI configuration from /opt/demosite/uwsgi.ini
[root@web02 ~]# netstat -lntp|grep 9999
tcp        0      0 127.0.0.1:9999          0.0.0.0:*               LISTEN      32894/uwsgi

[root@web02 ~]# vim /etc/nginx/conf.d/djang.oldxu.com.conf
server {
	listen 80;
	server_name django.oldxu.com;
	location / {
		index  index.html;
		uwsgi_pass 127.0.0.1:9999;
		uwsgi_param UWSGI_CHDIR /opt/demosite;  #工程所在的目录
		uwsgi_param UWSGI_SCRIPT demosite.wsgi; #demosite/wsgi接口文件 /opt/demosite/demosite/wsgi.py
		include uwsgi_params;
	}
}