Shipwright is an extensible framework for building container images on Kubernetes. With Shipwright, developers can define and reuse build strategies that build container images for their CI/CD pipelines. Any tool that builds images within a container can be supported, such as Kaniko, Cloud Native Buildpacks, and Buildah.

The following are the build strategies supported by this operator, out-of-the-box:

• Source-to-Image
• Buildpacks-v3
• Buildah
• Kaniko

Users have the option to define their own BuildStrategy or ClusterBuildStrategy resources and make them available for consumption via the Build resource.

This operator ships four CRDs :

• The BuildStragegy CRD and the ClusterBuildStrategy CRD is used to register a strategy.
• The Build CRD is used to define a build configuration.
• The BuildRun CRD is used to start the actually image build using a registered strategy.

Examples of Build resource using the example strategies shipped with this operator.

• buildah
• buildpacks-v3-heroku
• buildpacks-v3
• kaniko
• source-to-image

• Get a Kubernetes cluster and kubectl set up to connect to your cluster.
• Install Tekton by running install-tekton.sh, it installs v0.14.2.
• Install operator-sdk by running install-operator-sdk.sh, it installs v0.17.0.
• Create a namespace called build-examples by running kubectl create namespace build-examples.
• Execute make local to register well-known build strategies including Kaniko and start the operator locally.
• Create a Kaniko build.

apiVersion: build.dev/v1alpha1 kind: Build metadata: name: kaniko-golang-build namespace: build-examples spec: source: url: https://github.com/sbose78/taxi contextDir: . strategy: name: kaniko kind: ClusterBuildStrategy dockerfile: Dockerfile output: image: image-registry.openshift-image-registry.svc:5000/build-examples/taxi-app

• Start a Kaniko buildrun

apiVersion: build.dev/v1alpha1 kind: BuildRun metadata: name: kaniko-golang-buildrun namespace: build-examples spec: buildRef: name: kaniko-golang-build serviceAccount: generate: true

• Build, test & run using HACK.md.

Kubernetes slack: #shipwright