加速云原生的 Java 开发

<dependency>
  <groupId>io.dekorate</groupId>
  <artifactId>kubernetes-spring-starter</artifactId>
  <version>0.10.0</version>
</dependency>

/**
 * @author Addo.Zhang
 * @date 2019/12/22
 */
@RestController
public class DekorateExampleController {

    @GetMapping
    public String hi() {
        return "Hello World";
    }

}

---
apiVersion: "v1"
kind: "Service"
metadata:
  labels:
    app: "dekorate-example"
    version: "0.0.1-SNAPSHOT"
    group: "addo"
  name: "dekorate-example"
spec:
  ports:
  - name: "http"
    port: 8081
    targetPort: 8081
  selector:
    app: "dekorate-example"
    version: "0.0.1-SNAPSHOT"
    group: "addo"
  type: "ClusterIP"
---
apiVersion: "apps/v1"
kind: "Deployment"
metadata:
  labels:
    app: "dekorate-example"
    version: "0.0.1-SNAPSHOT"
    group: "addo"
  name: "dekorate-example"
spec:
  replicas: 1
  selector:
    matchLabels:
      app: "dekorate-example"
      version: "0.0.1-SNAPSHOT"
      group: "addo"
  template:
    metadata:
      labels:
        app: "dekorate-example"
        version: "0.0.1-SNAPSHOT"
        group: "addo"
    spec:
      containers:
      - env:
        - name: "KUBERNETES_NAMESPACE"
          valueFrom:
            fieldRef:
              fieldPath: "metadata.namespace"
        image: "addo/dekorate-example:0.0.1-SNAPSHOT"
        imagePullPolicy: "IfNotPresent"
        livenessProbe:
          failureThreshold: 3
          httpGet:
            path: "/actuator/info"
            port: 8081
            scheme: "HTTP"
          initialDelaySeconds: 0
          periodSeconds: 30
          successThreshold: 1
          timeoutSeconds: 10
        name: "dekorate-example"
        ports:
        - containerPort: 8081
          name: "http"
          protocol: "TCP"
        readinessProbe:
          failureThreshold: 3
          httpGet:
            path: "/actuator/health"
            port: 8081
            scheme: "HTTP"
          initialDelaySeconds: 0
          periodSeconds: 30
          successThreshold: 1
          timeoutSeconds: 10

dekorate.kubernetes.group = addozhang

dekorate.kubernetes.service-type = NodePort

import io.dekorate.kubernetes.annotation.Env;
import io.dekorate.kubernetes.annotation.KubernetesApplication;

@KubernetesApplication(envVars = @Env(name = "key1", value = "var1"))
public class Main {

  public static void main(String[] args) {
    //Your code goes here
  }
}

<plugin>
    <groupId>com.google.cloud.tools</groupId>
    <artifactId>jib-maven-plugin</artifactId>
    <version>1.8.0</version>
    <configuration>
        <container>
            <jvmFlags>
                <jvmFlag>-Xmx128m</jvmFlag>
                <jvmFlag>-Xms64m</jvmFlag>
            </jvmFlags>
            <labels>
                <Author>Addo.Zhang</Author>
            </labels>
            <creationTime>USE_CURRENT_TIMESTAMP</creationTime>
        </container>
        <from>
            <image>openjdk:8-jdk-alpine</image>
        </from>
        <to>
            <image>addo/dekorate-example</image>
            <tags>
                <tag>latest</tag>
            </tags>
        </to>
        <allowInsecureRegistries>true</allowInsecureRegistries>
    </configuration>
</plugin>

apiVersion: skaffold/v1
kind: Config
metadata:
  name: dekorate-example
build:
  artifacts:
  - image: addo/dekorate-example
    jib: {}
deploy:
  kubectl:
    manifests:
    - target/classes/META-INF/dekorate/kubernetes.json
    - target/classes/META-INF/dekorate/kubernetes.yml

➜  ~ skaffold help
A tool that facilitates continuous development for Kubernetes applications.

  Find more information at: https://skaffold.dev/docs/getting-started/

End-to-end pipelines:
  run               Run a pipeline
  dev               Run a pipeline in development mode
  debug             [beta] Run a pipeline in debug mode

Pipeline building blocks for CI/CD:
  build             Build the artifacts
  deploy            Deploy pre-built artifacts
  delete            Delete the deployed application
  render            [alpha] Perform all image builds, and output rendered Kubernetes manifests

Getting started with a new project:
  init              [alpha] Generate configuration for deploying an application
  fix               Update old configuration to newest schema version

Other Commands:
  completion        Output shell completion for the given shell (bash or zsh)
  config            Interact with the Skaffold configuration
  credits           Export third party notices to given path (./skaffold-credits by default)
  diagnose          Run a diagnostic on Skaffold
  version           Print the version information

Usage:
  skaffold [flags] [options]

Use "skaffold <command> --help" for more information about a given command.
Use "skaffold options" for a list of global command-line options (applies to all commands).