# 指定jdk環(huán)境版本，基于java8創(chuàng)建鏡像
FROM java:8
# 掛載臨時(shí)目錄
VOLUME /tmp
# 添加指定jar包到容器《此處為項(xiàng)目打包產(chǎn)生的jar包全名》
ADD practice-job-0.0.1-SNAPSHOT.jar /practice-job.jar
# 容器向外暴露的端口號(hào)《指該項(xiàng)目運(yùn)行所占用的的端口號(hào)》
EXPOSE 8081
# 容器啟動(dòng)后執(zhí)行的命令
ENTRYPOINT [ "java", "-Djava.security.egd=file:/dev/./urandom", "-jar", "/practice-job.jar" ]

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
 
            <!--使用docker-maven-plugin插件,用于將該服務(wù)打包成鏡像發(fā)往docker服務(wù)端-->
            <plugin>
                <groupId>com.spotify</groupId>
                <artifactId>docker-maven-plugin</artifactId>
                <version>1.2.2</version>
                <!--將插件綁定在某個(gè)phase執(zhí)行 -->
                <executions>
                    <execution>
                        <id>build-image</id>
                        <!--將插件綁定在package這個(gè)phase上。也就是說(shuō)，用戶(hù)只需執(zhí)行mvn package ，就會(huì)自動(dòng)執(zhí)行mvn docker:build -->
                        <phase>package</phase>
                        <goals>
                            <goal>build</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <forceTags>true</forceTags>
                    <!--指定生成的鏡像名 該處修改為自己想要生成的鏡像名稱(chēng)-->
                    <imageName>practice-job</imageName>
                    <!--指定標(biāo)簽-->
                    <imageTags>
                        <imageTag>latest</imageTag>
                    </imageTags>
                    <!-- 指定Dockerfile 路徑 -->
                    <dockerDirectory>${project.basedir}</dockerDirectory>
                    <!--指定遠(yuǎn)程docker地址 -->
                    <dockerHost>https://公網(wǎng)ip:2376</dockerHost>
                    <!--指定pem證書(shū)文件路徑地址 -->
                    <dockerCertPath>${project.basedir}/src/main/resources/pem</dockerCertPath>
                    <!-- 這里是復(fù)制jar包到docker容器指定目錄配置 -->
                    <resources>
                        <resource>
                            <targetPath>/</targetPath>
                            <!--jar 包所在的路徑此處配置的即對(duì)應(yīng) target 目錄 -->
                            <directory>${project.build.directory}</directory>
                            <!-- 需要包含的jar包，這里對(duì)應(yīng)的是Dockerfile中添加的文件名 -->
                            <include>${project.build.finalName}.jar</include>
                        </resource>
                    </resources>
                </configuration>
            </plugin>
        </plugins>
    </build>

apiVersion: v1
kind: Namespace
metadata:
  name: practice
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: practice-job-deployment
  namespace: practice
spec:
  replicas: 1
  selector:
    matchLabels:
      app: practice-job-pod
  template:
    metadata:
      labels:
        app: practice-job-pod
    spec:
      hostNetwork: true
      containers:
        - name: practice-job-container
          image: practice-job:latest  #鏡像名稱(chēng)+版本
          imagePullPolicy: Never   #表示鏡像來(lái)源，IfNotPresent本地沒(méi)有就從hub倉(cāng)庫(kù)拉取，Never表示只從本地
          ports:
            - containerPort: 8081
          env:
            # 指定日志文件路徑
            - name: logging.path
              value: /var/logs

apiVersion: v1
kind: Service
metadata:
  name: practice-job-service
  namespace: practice
  labels:
    app: practice-job-service
spec:
  type: NodePort
  selector:
    app: practice-job-pod
  ports:
    - name: http
      protocol: TCP
      port: 8081 #service（對(duì)內(nèi)）的端口
      targetPort: 8081 #pod的端口
      nodePort: 32001 #service（對(duì)外）的端口

kubectl apply -f practice-job-deployment.yaml
kubectl apply -f practice-job-service.yaml