K8S-入門篇-實戰-Nginx+Tomcat+NFS實現動靜分離Web站點
阿新 • • 發佈：2021-12-05
Nginx+Tomcat+NFS實現動靜分離Web站點
Nginx映象製作規劃：
基於基礎的centos/ubuntu/alpine映象，製作公司內部基礎映象-Nginx基礎映象--Nginx業務映象
Centos基礎映象製作
下載基礎映象
]# dokcer pull centos
Dockerfile
from centos:latest #MAINTAINER ADD filebeat-7.6.1-x86_64.rpm /tmp RUN yum install -y /tmp/filebeat-7.6.1-x86_64.rpm vim wget tree lrzsz gcc gcc-c++ automake pcre pcre-devel zlib zlib-devel openssl openssl-devel iproute net-tools iotop && rm -rf /etc/localtime /tmp/filebeat-6.8.3-x86_64.rpm && ln -snf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && useradd nginx -u 2019 && useradd www -u 2020
製作映象
docker build -t centos:web .
製作Nginx基礎映象
Dockerfile
#Nginx Base Image FROM centos:web #MAINTAINER RUN yum install -y vim wget tree lrzsz gcc gcc-c++ automake pcre pcre-devel zlib zlib-devel openssl openssl-devel iproute net-tools iotop make ADD nginx-1.14.2.tar.gz /usr/local/src/ RUN cd /usr/local/src/nginx-1.14.2 && ./configure && make&& make install && ln -sv /usr/local/nginx/sbin/nginx /usr/sbin/nginx &&rm -rf /usr/local/src/nginx-1.14.2.tar.gz
製作映象
docker build -t nginx-base:v1.14.2 .
製作Nginx業務映象
Dockerfile
FROM nginx-base:v1.14.2 ADD nginx.conf /usr/local/nginx/conf/nginx.conf ADD app1.tar.gz /usr/local/nginx/html/webapp/ ADD index.html /usr/local/nginx/html/index.html #靜態資源掛載路徑 RUN mkdir -p /usr/local/nginx/html/webapp/static /usr/local/nginx/html/webapp/images RUN chown -R nginx.nginx /usr/local/nginx EXPOSE 80 443 CMD ["nginx"]
製作映象
docker build -t nginx-web1:v1
Nginx 業務yaml檔案詳解
kind: Deployment apiVersion: apps/v1 metadata: labels: app: magedu-nginx-deployment-label name: magedu-nginx-deployment namespace: linux40 spec: replicas: 1 selector: matchLabels: app: magedu-nginx-selector template: metadata: labels: app: magedu-nginx-selector spec: containers: - name: magedu-nginx-container image: nginx-web1:v2 imagePullPolicy: IfNotPresent ports: - containerPort: 80 protocol: TCP name: http - containerPort: 443 protocol: TCP name: https env: - name: "password" value: "123456" - name: "age" value: "20" resources: limits: cpu: 1 memory: 512Mi requests: cpu: 200m memory: 246Mi volumeMounts: - name: magedu-images mountPath: /usr/local/nginx/html/webapp/images readOnly: false - name: magedu-static mountPath: /usr/local/nginx/html/webapp/static readOnly: false volumes: - name: magedu-images nfs: server: 192.168.64.110 path: /root/data/nfs1 - name: magedu-static nfs: server: 192.168.64.110 path: /root/data/nfs2 --- kind: Service apiVersion: v1 metadata: labels: app: magedu-nginx-service-label name: magedu-nginx-service namespace: linux40 spec: type: NodePort ports: - name: http port: 80 protocol: TCP targetPort: 80 nodePort: 30800 - name: https port: 443 protocol: TCP targetPort: 443 nodePort: 30443 selector: app: magedu-nginx-selector --- apiVersion: autoscaling/v1 kind: HorizontalPodAutoscaler metadata: namespace: linux40 name: linux40-nginx-web1-podautoscaler labels: app: magedu-nginx-selector version: v2beta1 spec: scaleTargetRef: apiVersion: apps/v1 kind: Deployment name: magedu-nginx-deployment minReplicas: 1 maxReplicas: 5 targetCPUUtilizationPercentage: 30
JDK基礎映象製作
Dockerfile
#JDK Base Image FROM centos:web #MAINTAINER ADD jdk-8u212-linux-x64.tar.gz /usr/local/src/ RUN ln -sv /usr/local/src/jdk1.8.0_212 /usr/local/jdk ADD profile /etc/profile ENV JAVA_HOME /usr/local/jdk ENV JRE_HOME $JAVA_HOME/jre ENV CLASSPATH $JAVA_HOME/lib/:$JRE_HOME/lib/ ENV PATH $PATH:$JAVA_HOME/bin
製作映象
docker build -t jdk-base:v8.212 .
Tomcat基礎映象製作
Dockerfile
#Tomcat 8.5.43基礎映象 FROM jdk-base:v8.212 #MAINTAINER
RUN mkdir /apps /data/tomcat/webapps /data/tomcat/logs -pv ADD apache-tomcat-8.5.43.tar.gz /apps RUN ln -sv /apps/apache-tomcat-8.5.43 /apps/tomcat && chown -R nginx.nginx /apps /data -R
製作映象
docker build -t tomcat-base:v8.5.43 .
Tomcat業務映象製作
#tomcat web1 #tomcat 業務基礎映象 FROM tomcat-base:v8.5.43 ADD catalina.sh /apps/tomcat/bin/catalina.sh ADD server.xml /apps/tomcat/conf/server.xml #ADD myapp/* /data/tomcat/webapps/myapp/ ADD app1.tar.gz /data/tomcat/webapps/myapp/ ADD run_tomcat.sh /apps/tomcat/bin/run_tomcat.sh ADD filebeat.yml /etc/filebeat/filebeat.yml RUN mkdir -p /usr/local/nginx/html/webapp/images /usr/local/nginx/html/webapp/static RUN chown -R nginx.nginx /data/ /apps/ RUN chown -R nginx.nginx /usr/local/nginx/ EXPOSE 8080 8443 CMD ["/apps/tomcat/bin/run_tomcat.sh"]
製作映象
docker build -t tomcat-app1:v1 .
Tomcat業務映象yaml
kind: Deployment #apiVersion: extensions/v1beta1 apiVersion: apps/v1 metadata: labels: app: magedu-tomcat-app1-deployment-label name: magedu-tomcat-app1-deployment namespace: linux40 spec: replicas: 1 selector: matchLabels: app: magedu-tomcat-app1-selector template: metadata: labels: app: magedu-tomcat-app1-selector spec: containers: - name: magedu-tomcat-app1-container image: tomcat-app1:v3 #command: ["/apps/tomcat/bin/run_tomcat.sh"] imagePullPolicy: IfNotPresent ports: - containerPort: 8080 protocol: TCP name: http env: - name: "password" value: "123456" - name: "age" value: "18" resources: limits: cpu: 1 memory: "512Mi" requests: cpu: 500m memory: "512Mi" volumeMounts: - name: magedu-images mountPath: /usr/local/nginx/html/webapp/images readOnly: false - name: magedu-static mountPath: /usr/local/nginx/html/webapp/static readOnly: false volumes: - name: magedu-images nfs: server: 192.168.64.110 path: /root/data/nfs1 - name: magedu-static nfs: server: 192.168.64.110 path: /root/data/nfs2 --- kind: Service apiVersion: v1 metadata: labels: app: magedu-tomcat-app1-service-label name: magedu-tomcat-app1-service namespace: linux40 spec: type: NodePort ports: - name: http port: 80 protocol: TCP targetPort: 8080 nodePort: 30033 selector: app: magedu-tomcat-app1-selector --- apiVersion: autoscaling/v1 kind: HorizontalPodAutoscaler metadata: namespace: linux40 name: magedu-tomcat-app1-podautoscaler labels: app: magedu-tomcat-app1 version: v2beta1 spec: scaleTargetRef: apiVersion: apps/v1 #apiVersion: extensions/v1beta1 kind: Deployment name: magedu-tomcat-app1-deployment minReplicas: 2 maxReplicas: 20 targetCPUUtilizationPercentage: 60越學越感到自己的無知