kpack

Play with kpack

1. install kpack

1. install

   kubectl apply -f https://github.com/pivotal/kpack/releases/download/v0.0.6/release-0.0.6.yaml

2. watch

   kubectl get pods --namespace kpack -w

3. create ClusterBuilder:

   vi cluster-builder.yaml

   apiVersion: build.pivotal.io/v1alpha1
   kind: ClusterBuilder
   metadata:
     name: default
   spec:
     image: cloudfoundry/cnb:bionic

   kubectl apply -f cluster-builder.yaml
   sleep 10s
   kubectl describe clusterbuilder default

2. install kpack logs

download, unpack and add to PATH:

wget -qO- https://github.com/pivotal/kpack/releases/download/v0.0.6/logs-v0.0.6-darwin.tgz | tar xvz -
chmod +x logs
export PATH="$PATH:$(pwd)"
logs -image $IMAGE_NAME

3. create docker registry secret

vi secret.yaml

apiVersion: v1
kind: Secret
metadata:
  name: tutorial-registry-credentials
  annotations:
    build.pivotal.io/docker: https://index.docker.io/v1/
type: kubernetes.io/basic-auth
stringData:
  username: daggerok
  password: ololo-trololo

kubectl apply -f secret.yaml

4. create service account

vi service-account.yaml

apiVersion: v1
kind: ServiceAccount
metadata:
 name: tutorial-service-account
secrets:
 - name: tutorial-registry-credentials

kubectl apply -f service-account.yaml

5. apply kpack image config

vi spring-petclinic.yaml

apiVersion: build.pivotal.io/v1alpha1
kind: Image
metadata:
  name: tutorial-image
spec:
  tag: daggerok/kpack-playground
  serviceAccount: tutorial-service-account
  cacheSize: "1.5Gi"
  builder:
    name: default
    kind: ClusterBuilder
  source:
    git:
      url: https://github.com/spring-projects/spring-petclinic
      revision: 82cb521d636b282340378d80a6307a08e3d4a4c4

kubectl apply -f spring-petclinic.yaml

logs -image tutorial-image
#...
#[completion] Build successful

kubectl get images
docker run -p 8080:8080 index.docker.io/daggerok/kpack-playground@sha256:ba8a6089308f65bdde15897253a243094b50825cd1fdf2f76fb3e1cc2720bd42

open http://127.0.0.1:8080/