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2020
08-20

在kubernetes集群中部署php应用


本文将介绍在kubernetes环境中部署一套php应用系统。前端web采用nginx、中间件php以fastcgi的方式运行,后台数据库由mysql主从提供支撑。
各服务组件之间的调用采用dns解析服务名的方式进行,数据和配置文件持久化采用pv和pvc(基于nfs)。


一、通过dockerfile创建php镜像文件

# cat dockerfile FROM docker.io/openshift/base-centos7:latest MAINTAINER ylw "ylw@fjhb.cn" RUN yum makecache RUN yum -y install php-fpm php php-gd php-mysql php-mbstring php-xml php-mcrypt php-imap php-odbc php-pear php-xmlrpc RUN sed -i 's/listen = 127.0.0.1:9000/listen = 0.0.0.0:9000/' /etc/php-fpm.d/www.conf RUN sed -i 's/listen.allowed_clients = 127.0.0.1/;listen.allowed_clients = 127.0.0.1/' /etc/php-fpm.d/www.conf EXPOSE 9000 CMD ["/sbin/php-fpm"] # docker build -t registry.fjhb.cn/php:0.1 . # docker push registry.fjhb.cn/php:0.1



二、通过yaml文件创建ReplicationController和service


# cat php-rc.yaml apiVersion: v1 kind: ReplicationController metadata: name: php-server labels: name: php-server spec: replicas: 2 selector: name: php-server template: metadata: labels: name: php-server spec: containers: - name: php-server image: registry.fjhb.cn/php:0.1 volumeMounts: - mountPath: /usr/share/nginx/html name: nginx-data ports: - containerPort: 9000 volumes: - name: nginx-data persistentVolumeClaim: claimName: nfs-data # cat php-svc.yaml apiVersion: v1 kind: Service metadata: name: php-server labels: name: php-server spec: ports: - port: 9000 protocol: TCP targetPort: 9000 selector: name: php-server # kubectl create -f php-rc.yaml # kubectl create -f php-svc.yaml



三、修改nginx配置支持php


# cat /home/nginx/conf.d/test.conf server { listen 80; server_name test.fjhb.cn; access_log /etc/nginx/test.fjhb.cn.accesslog main; location / { root /usr/share/nginx/html; index index.html index.htm; } location ~ \.php$ { root /usr/share/nginx/html; fastcgi_pass php-server:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include fastcgi_params; } location ~ /\.ht { deny all; } }



网页访问phpinfo页面测试


四、下载Discuz应用部署,测试php和mysql主从的连通性



下载地址:http://www.discuz.net/thread-3796882-1-1.html

# mkdir /home/bbs # cd /home/bbs # unzip Discuz_X3.3_SC_UTF8.zip # mv upload/* ./

通过访问网页进行部署




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