README.md

kubectl apply -f mybuild.yaml && tkn taskrun delete run-sample-java-build && kubectl apply -f mybuild-run.yaml
tkn taskrun logs run-sample-java-build -f

task-mybuild.yaml

apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: sample-java-build
  description: An example of Java Build with maven
spec:
  params:
  - name: repo-url
    type: string
    description: The git repo URL to clone from.
  steps:
  - name: git-clone
    image: alpine/git
    workingDir: /workspace
    script: | 
      #!/usr/bin/env sh
      echo "repos-url: "$(params.repo-url)
      git clone $(params.repo-url)
  - name: java-build
    image: openjdk
    workingDir: /workspace
    script: | 
      #!/usr/bin/env sh
      cd quarkus-quickstarts/getting-started
      # ./mvnw package
      mkdir -p target/quarkus-app
      touch target/quarkus-app/quarkus-run.jar
  - name: container-pre
    image: debian
    workingDir: /workspace
    script: | 
      #!/usr/bin/env sh
      cd quarkus-quickstarts/getting-started

      cat << EOF > ./Dockerfile
        FROM openjdk

        RUN mkdir /app
        ADD target/quarkus-app /app

        CMD [ "java", "-jar", "/app/quarkus-run.jar"]
      EOF
  - name: container-build-and-push
    image: gcr.io/kaniko-project/executor
    workingDir: /workspace
    env:
      - name: "DOCKER_CONFIG"
        value: "/root/.docker"
    command:
      - /kaniko/executor
    args:
      - --dockerfile=Dockerfile
      - --destination=koduki/getting-started
      - --context=quarkus-quickstarts/getting-started/

  # - name: container-build-and-push
  #   image: gcr.io/kaniko-project/executor:debug
  #   workingDir: /workspace
  #   env:
  #     - name: "DOCKER_CONFIG"
  #       value: "/root/.docker"
  #   script: | 
  #     #!/busybox/sh
  #     pwd
  #     ls -l /root/.docker
  #     ls -l ${DOCKER_CONFIG}/config.json
  #     cat ${DOCKER_CONFIG}/config.json
  #     /kaniko/executor --dockerfile=Dockerfile --destination=koduki/getting-started --context=quarkus-quickstarts/getting-started/

taskrun-mybuild.yaml

apiVersion: tekton.dev/v1beta1
kind: TaskRun
metadata:
  name: run-sample-java-build
spec:
  taskRef:
    name: sample-java-build
  params:
  - name: repo-url
    value: https://github.com/quarkusio/quarkus-quickstarts.git

memo.

apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: task-mvn-test
  namespace: testcontainer-poc
spec:
  sidecars:
    - image: 'docker:20.10-dind'
      name: docker
      resources: {}
      securityContext:
        privileged: true
      volumeMounts:
        - mountPath: /var/lib/docker
          name: dind-storage
        - mountPath: /var/run/
          name: dind-socket
  steps:
    - args:
        - test
        - '-Dspring-boot.run.profiles=test'
      command:
        - /usr/bin/mvn
      image: gcr.io/cloud-builders/mvn
      name: step-mvn-test
      resources: {}
      volumeMounts:
        - mountPath: /var/run/
          name: dind-socket
      workingDir: /workspace/source
  volumes:
    - emptyDir: {}
      name: dind-storage
    - emptyDir: {}
      name: dind-socket
  workspaces:
    - name: source