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‎.gitignore

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HELP.md
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target/
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!.mvn/wrapper/maven-wrapper.jar
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!**/src/main/**
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!**/src/test/**
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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build/
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### VS Code ###
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.vscode/

‎README.md

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‎Screenshots/Snipaste_2020-05-07_11-30-43.png

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‎Screenshots/Snipaste_2020-05-07_11-31-34.png

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‎k8s/deployment.yaml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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creationTimestamp: null
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labels:
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app: k8s-example
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name: k8s-example
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: k8s-example
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strategy: {}
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template:
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metadata:
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creationTimestamp: null
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labels:
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app: k8s-example
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spec:
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containers:
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- image: registry.hub.docker.com/aimeizi/k8s-example:latest
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name: k8s-example
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resources: {}
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status: {}

‎k8s/service.yaml

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apiVersion: v1
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kind: Service
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metadata:
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creationTimestamp: null
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labels:
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app: k8s-example
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name: k8s-example
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spec:
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ports:
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- name: 80-8080
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port: 80
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protocol: TCP
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targetPort: 8080
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selector:
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app: k8s-example
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type: LoadBalancer # LoadBalancer 不需要kubectl port-forward 直接用映射出来的 IP 和端口访问
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status:
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loadBalancer: {}

‎k8s/service.yaml.bak

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apiVersion: v1
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kind: Service
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metadata:
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creationTimestamp: null
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labels:
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app: k8s-example
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name: k8s-example
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spec:
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ports:
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- name: 80-8080
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port: 80
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protocol: TCP
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targetPort: 8080
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selector:
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app: k8s-example
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type: ClusterIP # ClusterIP 需要 kubectl port-forward
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status:
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loadBalancer: {}

‎kustomize/base/deployment.yaml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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creationTimestamp: null
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labels:
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app: k8s-example
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name: k8s-example
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: k8s-example
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strategy: {}
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template:
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metadata:
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creationTimestamp: null
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labels:
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app: k8s-example
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spec:
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containers:
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- image: registry.hub.docker.com/aimeizi/k8s-example:latest
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name: k8s-example
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resources: {}
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status: {}

‎kustomize/base/kustomization.yaml

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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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resources:
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- service.yaml
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- deployment.yaml

‎kustomize/base/service.yaml

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apiVersion: v1
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kind: Service
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metadata:
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creationTimestamp: null
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labels:
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app: k8s-example
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name: k8s-example
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spec:
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ports:
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- name: 80-8080
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port: 80
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protocol: TCP
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targetPort: 8080
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selector:
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app: k8s-example
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type: LoadBalancer # LoadBalancer 不需要kubectl port-forward 直接用映射出来的 IP 和端口访问
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status:
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loadBalancer: {}

‎kustomize/qa/kustomization.yaml

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apiVersion: kustomize.config.k8s.io/v1beta1
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kind: Kustomization
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resources:
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- ../base
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patchesStrategicMerge:
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- update-replicas.yaml

‎kustomize/qa/update-replicas.yaml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: k8s-example
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spec:
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replicas: 2

‎pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.3.0.BUILD-SNAPSHOT</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>net.ameizi</groupId>
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<artifactId>k8s-example</artifactId>
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<version>1.0.0</version>
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<name>k8s-example</name>
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<description>Demo project for Spring Boot</description>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-actuator</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-devtools</artifactId>
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<scope>runtime</scope>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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<exclusions>
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<exclusion>
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<groupId>org.junit.vintage</groupId>
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<artifactId>junit-vintage-engine</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<configuration>
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<image>
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<name>k8s-example:latest</name>
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</image>
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</configuration>
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</plugin>
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<plugin>
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<groupId>com.google.cloud.tools</groupId>
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<artifactId>jib-maven-plugin</artifactId>
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<version>2.2.0</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>build</goal>
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</goals>
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</execution>
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</executions>
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<configuration>
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<from>
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<image>openjdk:8-jdk-alpine</image>
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</from>
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<to>
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<!-- 坑!!!这里切记一定要设置 docker registry的完整地址，否则会被坑死，构建的时候会报授权错误，原因在于执行 mvn package 命令后会打包构建镜像并进行推送，因此要设置镜像仓库的地址，并且记得在命令行进行镜像仓库登录(docker login) -->
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<!-- 此处构建不依赖docker daemon进程。说人话就是不需要启动docker服务 -->
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<image>registry.hub.docker.com/aimeizi/k8s-example:latest</image>
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</to>
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<container>
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<mainClass>net.ameizi.k8s.example.K8sExampleApplication</mainClass>
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<ports>
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<port>8080</port>
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</ports>
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</container>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<repositories>
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<repository>
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<id>spring-milestones</id>
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<name>Spring Milestones</name>
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<url>https://repo.spring.io/milestone</url>
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</repository>
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<repository>
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<id>spring-snapshots</id>
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<name>Spring Snapshots</name>
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<url>https://repo.spring.io/snapshot</url>
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<snapshots>
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<enabled>true</enabled>
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</snapshots>
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</repository>
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</repositories>
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<pluginRepositories>
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<pluginRepository>
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<id>spring-milestones</id>
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<name>Spring Milestones</name>
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<url>https://repo.spring.io/milestone</url>
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</pluginRepository>
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<pluginRepository>
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<id>spring-snapshots</id>
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<name>Spring Snapshots</name>
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<url>https://repo.spring.io/snapshot</url>
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<snapshots>
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<enabled>true</enabled>
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</snapshots>
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</pluginRepository>
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</pluginRepositories>
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</project>

‎skaffold.yaml

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apiVersion: skaffold/v2beta3
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kind: Config
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metadata:
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name: k-s-example
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build:
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artifacts:
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- image: registry.hub.docker.com/aimeizi/k8s-example
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jib:
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project: net.ameizi:k8s-example
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deploy:
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# kubectl:
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# manifests:
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# - k8s/deployment.yaml
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# - k8s/service.yaml
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kustomize:
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paths: ["kustomize/base"]
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profiles:
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- name: qa
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deploy:
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kustomize:
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paths: ["kustomize/qa"]

‎src/main/java/net/ameizi/k8s/example/K8sExampleApplication.java

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package net.ameizi.k8s.example;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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@RestController
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@SpringBootApplication
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public class K8sExampleApplication {
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public static void main(String[] args) {
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SpringApplication.run(K8sExampleApplication.class, args);
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}
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@GetMapping("/hello")
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public String hello() {
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return "hello,Skaffold!";
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}
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}

‎src/main/resources/application.properties

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management.endpoint.shutdown.enabled=true
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management.endpoints.web.exposure.include=*
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management.endpoints.web.exposure.exclude=env

‎src/test/java/net/ameizi/k8s/example/K8sExampleApplicationTests.java

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package net.ameizi.k8s.example;
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import org.junit.jupiter.api.Test;
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import org.springframework.boot.test.context.SpringBootTest;
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@SpringBootTest
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class K8sExampleApplicationTests {
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@Test
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void contextLoads() {
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}
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}

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