nginx動靜分離-創(chuàng)新互聯(lián)

搭建Nginx動靜分離

Nginx動靜分離介紹

Nginx的靜態(tài)處理能力很強，但是動態(tài)處理能力不足，因此，在企業(yè)中常用動靜分離技術(shù)
針對PHP的動靜分離
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- 靜態(tài)頁面交給Nginx處理
- 動態(tài)頁面交給PHP-FPM模塊或Apache處理
在Nginx的配置中，是通過location配置段配合正則匹配實現(xiàn)靜態(tài)與動態(tài)頁面的不同處理方式
反向代理原理
Nginx不僅能作為Web服務(wù)器，還具有反向代理、負載均衡和緩存的功能
Nginx通過proxy模塊實現(xiàn)將客戶端的請求代理至上游服務(wù)器，此時nginx與. 上游服務(wù)器的連接是通過http協(xié)議進行的
Nginx在實現(xiàn)反向代理功能時的最重要指令為proxy_ _pass, 它能夠并能夠根據(jù)URI、客戶端參數(shù)或其它的處理邏輯將用戶請求調(diào)度至上游服務(wù)器

配置動靜分離

架設(shè)并調(diào)試后端LAMP環(huán)境
安裝配置Nginx處理靜態(tài)頁面請求，在server {};段中加入

[root@nginx php5]#vim /usr/local/httpd/conf/nginx.conf
 location ~ .*\.(gifiglipeglbmp|swf)$ {
   root html;
   index index.html index.htm;
};

配置Nginx處理動態(tài)頁面請求，在server{};中加入
在Apache.工作目錄新建test.php
重啟Nginx并測試

[root@nginx php5]#vim /usr/local/httpd/conf/nginx.conf
   server {
   .....
   location ~ \.php$ {
        proxy_ pass http://192.168.9.237:8080;     //LAMP的IP地址
   ......

配置實例

開啟兩臺Linux虛擬機，一臺配置Nginx，一臺配置LANM架構(gòu)，客戶端訪問nginx網(wǎng)頁時Nginx服務(wù)處理靜態(tài)訪問信息，LAMP處理動態(tài)訪問信息，
首先在一臺Linux系統(tǒng)中搭建lamp架構(gòu)，這里使用yum安裝lamp架構(gòu)

yum install httpd httpd-devel -y
已加載插件：fastestmirror, langpacks
Loading mirror speeds from cached hostfile
...//省略部分內(nèi)容...
已安裝:
  httpd.x86_64 0:2.4.6-90.el7.centos      httpd-devel.x86_64 0:2.4.6-90.el7.centos 
...//省略部分內(nèi)容...
完畢！
[root@localhost ~]# firewall-cmd --permanent --zone=public  --add-service=http
success              //配置防火墻允許http服務(wù)在公共區(qū)域通過
[root@localhost ~]# firewall-cmd --permanent --zone=public  --add-service=https
success             //配置防火墻允許https服務(wù)在公共區(qū)域通過
[root@localhost ~]# firewall-cmd --reload    //重新加載防火墻
success
[root@localhost ~]# systemctl start httpd.service     //啟動http服務(wù)

在客戶機訪問httpd服務(wù)，看服務(wù)是否成功開啟

nginx動靜分離

安裝mariadb（mariadb是MySQL的分支軟件，功能與MySQL相同）

[root@localhost ~]# yum install mariadb mariadb-server mariadb-libs mariadb-devel -y
已加載插件：fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: ftp.sjtu.edu.cn
...//省略部分內(nèi)容...
已安裝:
  mariadb.x86_64 1:5.5.64-1.el7                   mariadb-devel.x86_64 1:5.5.64-1.el7           
  mariadb-server.x86_64 1:5.5.64-1.el7           
完畢！
[root@localhost ~]# systemctl start  mariadb     //啟動mariadb服務(wù)
[root@localhost ~]# netstat -ntap | grep 3306
tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN      2519/mysqld    
[root@localhost ~]# mysql_secure_installation           //設(shè)置數(shù)據(jù)庫

NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB
      SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!

In order to log into MariaDB to secure it, we'll need the current
password for the root user.  If you've just installed MariaDB, and
you haven't set the root password yet, the password will be blank,
so you should just press enter here.

Enter current password for root (enter for none):        //詢問是否給root用戶設(shè)置密碼，直接回車
OK, successfully used password, moving on...

Setting the root password ensures that nobody can log into the MariaDB
root user without the proper authorisation.

Set root password? [Y/n] y             //是否設(shè)置密碼，輸入y確認
New password:                         //輸入密碼
Re-enter new password:                //再次輸入密碼
Password updated successfully!
Reloading privilege tables..
 ... Success!

By default, a MariaDB installation has an anonymous user, allowing anyone
to log into MariaDB without having to have a user account created for
them.  This is intended only for testing, and to make the installation
go a bit smoother.  You should remove them before moving into a
production environment.

Remove anonymous users? [Y/n] n     //詢問是否刪除匿名用戶，輸入n，不刪除
 ... skipping.

Normally, root should only be allowed to connect from 'localhost'.  This
ensures that someone cannot guess at the root password from the network.

Disallow root login remotely? [Y/n] n    //詢問是否拒絕root用戶遠程登錄，輸入n，不拒絕
... skipping.

By default, MariaDB comes with a database named 'test' that anyone can
access.  This is also intended only for testing, and should be removed
before moving into a production environment.

Remove test database and access to it? [Y/n] n  //詢問是否刪除測試數(shù)據(jù)庫，輸入n，不刪除
 ... skipping.

Reloading the privilege tables will ensure that all changes made so far
will take effect immediately.

Reload privilege tables now? [Y/n] y     //詢問是否重新加載數(shù)據(jù)庫，輸入y，重新加載
 ... Success!

Cleaning up...

All done!  If you've completed all of the above steps, your MariaDB
installation should now be secure.

Thanks for using MariaDB!                  //完成設(shè)置

安裝PHP

[root@localhost ~]# yum -y install php             //安裝php服務(wù)
已加載插件：fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: ftp.sjtu.edu.cn
...//省略部分內(nèi)容...
已安裝:
  php.x86_64 0:5.4.16-46.1.el7_7   
...//省略部分內(nèi)容...
完畢！
[root@localhost ~]# yum install php-mysql -y        //安裝php與mysql連接包
已加載插件：fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: ftp.sjtu.edu.cn
 * extras: ftp.sjtu.edu.cn
...//省略部分內(nèi)容...
已安裝:
  php-mysql.x86_64 0:5.4.16-46.1.el7_7                                                           
作為依賴被安裝:
  php-pdo.x86_64 0:5.4.16-46.1.el7_7                                                             
完畢！
[root@localhost ~]# yum install -y php-gd php-ldap php-odbc php-pear php-xml php-xmlrpc php-mbstring php-snmp php-soap curl curl-devel php-bcmath      //安裝php環(huán)境包
已加載插件：fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: ftp.sjtu.edu.cn
...//省略部分內(nèi)容...
已安裝:
  libcurl-devel.x86_64 0:7.29.0-54.el7             php-bcmath.x86_64 0:5.4.16-46.1.el7_7         
  php-gd.x86_64 0:5.4.16-46.1.el7_7                php-ldap.x86_64 0:5.4.16-46.1.el7_7           
  php-mbstring.x86_64 0:5.4.16-46.1.el7_7          php-odbc.x86_64 0:5.4.16-46.1.el7_7           
  php-pear.noarch 1:1.9.4-21.el7                   php-snmp.x86_64 0:5.4.16-46.1.el7_7           
  php-soap.x86_64 0:5.4.16-46.1.el7_7              php-xml.x86_64 0:5.4.16-46.1.el7_7            
  php-xmlrpc.x86_64 0:5.4.16-46.1.el7_7           
...//省略部分內(nèi)容...
完畢！
[root@localhost ~]# cd /var/www/html     //進入網(wǎng)頁站點
[root@localhost html]# vim index.php     //編輯php網(wǎng)頁內(nèi)容 
<?php
  phpinfo();
?>
:wq
[root@localhost html]# systemctl restart httpd.service    //重啟http服務(wù)

在客戶機中測試LAMP機構(gòu)是否安裝成功

nginx動靜分離

安裝Nginx

在另一臺Linux系統(tǒng)中安裝Nginx服務(wù)

[root@localhost ~]# hostnamectl set-hostname nginx    //為了區(qū)分先更改Linux主機名稱
[root@localhost ~]# su
[root@nginx ~]#                      //更改成功
[root@nginx nginx-1.12.2]# yum install gcc gcc-c++ make pcre-devel zlib-devel -y  //安裝環(huán)境包
已加載插件：fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: ftp.sjtu.edu.cn
...//省略部分內(nèi)容...
已安裝:
  gcc.x86_64 0:4.8.5-39.el7        gcc-c++.x86_64 0:4.8.5-39.el7 pcre-devel.x86_64 0:8.32-17.el7
  zlib-devel.x86_64 0:1.2.7-18.el7
...//省略部分內(nèi)容...
完畢！
[root@nginx ~]# useradd -M -s /sbin/nologin nginx        //創(chuàng)建程序用戶
[root@nginx ~]# mount.cifs //192.168.100.10/lnmp /mnt/   //掛載宿主機源碼包目錄到mnt目錄下
Password for root@//192.168.100.10/lnmp:  
[root@nginx ~]# cd /mnt/                        //進入mnt目錄
[root@nginx mnt]# tar zvxf nginx-1.12.2.tar.gz -C /opt/     //解壓源碼包
...//省略部分內(nèi)容...
nginx-1.12.2/auto/cc/msvc
nginx-1.12.2/auto/cc/name
nginx-1.12.2/auto/cc/owc
nginx-1.12.2/auto/cc/sunc
[root@nginx mnt]# cd /opt/nginx-1.12.2/         //進入解壓的nginx文件目錄
[root@nginx nginx-1.12.2]# ./configure \         //配置nginx
> --prefix=/usr/local/nginx \
> --user=nginx \
> --group=nginx \
> --with-http_stub_status_module
...//省略部分內(nèi)容...
  nginx http fastcgi temporary files: "fastcgi_temp"
  nginx http uwsgi temporary files: "uwsgi_temp"
  nginx http scgi temporary files: "scgi_temp
[root@nginx nginx-1.12.2]# make && make install    //制作安裝nginx
...//省略部分內(nèi)容...
test -d '/usr/local/nginx/html' \
    || cp -R html '/usr/local/nginx'
test -d '/usr/local/nginx/logs' \
    || mkdir -p '/usr/local/nginx/logs'
make[1]: 離開目錄“/opt/nginx-1.12.2”
[root@nginx nginx-1.12.2]# ln -s /usr/local/nginx/sbin/* /usr/local/sbin/  //創(chuàng)建軟連接文件到系統(tǒng)命令目錄
[root@nginx nginx-1.12.2]# cd /lib/systemd/system     //進入system管理目錄
[root@nginx system]# vim nginx.service      //編輯nginx啟動腳本文件
[Unit]
Description=nginx
After=network.target
[Service]
Type=forking
PIDFile=/usr/local/nginx/logs/nginx.pid
ExecStart=/usr/local/nginx/sbin/nginx
ExecReload=/usr/bin/kill -s HUP $MAINPID
ExecStop=/usr/bin/kill -s QUIT $MAINPID
PrivateTmp=true
[Install]
WantedBy=multi-user.target
:wq
[root@nginx system]# chmod 754 nginx.service          //添加執(zhí)行權(quán)限
[root@nginx system]# systemctl start nginx.service     //啟動服務(wù)
[root@nginx system]# systemctl stop firewalld.service   //關(guān)閉防火墻
[root@nginx system]# setenforce 0                       //關(guān)閉增強性安全功能

在客戶機測試Nginx服務(wù)

nginx動靜分離

配置動靜分離

在nginx服務(wù)配置文件中開啟功能，將動態(tài)訪問轉(zhuǎn)交給LAMP主機處理,以實現(xiàn)動靜分離

[root@nginx system]# vim /usr/local/nginx/conf/nginx.conf
...//省略部分內(nèi)容...
  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$ {  //開啟此模塊，并將IP地址更改為LAMP的主機，也就是將動態(tài)請求交給LAMP的主機處理
            proxy_pass   http://192.168.144.137;   
        }

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
...//省略部分內(nèi)容...
:wq
[root@nginx system]# systemctl stop nginx.service          //關(guān)閉服務(wù) 
[root@nginx system]# systemctl start nginx.service         //重新啟動服務(wù)

在客戶測試動靜分離是否成功

nginx動靜分離

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配置實例

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配置動靜分離