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Shipwright - a framework for building container images on Kubernetes

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Work in Progress License

Shows the Shipwright logo, which is a heptagon containing a stylized ship next to the word shipwright.

Shipwright is an extensible framework for building container images on Kubernetes.

Why?

With Shipwright, developers get a simplified approach for building container images, by defining a minimal YAML that does not require any previous knowledge of containers or container tooling. All you need is your source code in git and access to a container registry.

Shipwright supports any tool that can build container images in Kubernetes clusters, such as:

Try It!

  • We assume you already have a Kubernetes cluster (v1.27+). If you don't, you can use KinD, which you can install by running ./hack/install-kind.sh.

  • We also require a Tekton installation (v0.50.+). To install the latest LTS release, run:

    kubectl apply --filename https://storage.googleapis.com/tekton-releases/pipeline/previous/v0.62.3/release.yaml

    If you are using OpenShift cluster refer Running on OpenShift for some more configurations.

  • Install the Shipwright deployment. To install the latest version, run:

    kubectl apply --filename https://github.com/shipwright-io/build/releases/download/v0.13.0/release.yaml --server-side
    curl --silent --location https://raw.githubusercontent.com/shipwright-io/build/v0.13.0/hack/setup-webhook-cert.sh | bash
    curl --silent --location https://raw.githubusercontent.com/shipwright-io/build/main/hack/storage-version-migration.sh | bash

    To install the latest nightly release, run:

    kubectl apply --filename "https://github.com/shipwright-io/build/releases/download/nightly/nightly-$(curl --silent --location https://github.com/shipwright-io/build/releases/download/nightly/latest.txt).yaml" --server-side
    curl --silent --location https://raw.githubusercontent.com/shipwright-io/build/main/hack/setup-webhook-cert.sh | bash
    curl --silent --location https://raw.githubusercontent.com/shipwright-io/build/main/hack/storage-version-migration.sh | bash
  • Install the Shipwright strategies. To install the latest version, run:

    kubectl apply --filename https://github.com/shipwright-io/build/releases/download/v0.13.0/sample-strategies.yaml --server-side

    To install the latest nightly release, run:

    kubectl apply --filename "https://github.com/shipwright-io/build/releases/download/nightly/nightly-$(curl --silent --location https://github.com/shipwright-io/build/releases/download/nightly/latest.txt)-sample-strategies.yaml" --server-side
  • Generate a secret to access your container registry, such as one on Docker Hub or Quay.io:

    REGISTRY_SERVER=https://index.docker.io/v1/ REGISTRY_USER=<your_registry_user> REGISTRY_PASSWORD=<your_registry_password>
    kubectl create secret docker-registry push-secret \
        --docker-server=$REGISTRY_SERVER \
        --docker-username=$REGISTRY_USER \
        --docker-password=$REGISTRY_PASSWORD  \
        --docker-email=<your_email>
  • Create a Build object, replacing <REGISTRY_ORG> with the registry username your push-secret secret have access to:

    REGISTRY_ORG=<your_registry_org>
    cat <<EOF | kubectl apply -f -
    apiVersion: shipwright.io/v1beta1
    kind: Build
    metadata:
      name: buildpack-nodejs-build
    spec:
      source:
        type: Git
        git:
          url: https://github.com/shipwright-io/sample-nodejs
        contextDir: source-build
      strategy:
        name: buildpacks-v3
        kind: ClusterBuildStrategy
      output:
        image: docker.io/${REGISTRY_ORG}/sample-nodejs:latest
        pushSecret: push-secret
    EOF

    To view the Build which you just created:

    $ kubectl get builds
    
    NAME                     REGISTERED   REASON      BUILDSTRATEGYKIND      BUILDSTRATEGYNAME   CREATIONTIME
    buildpack-nodejs-build   True         Succeeded   ClusterBuildStrategy   buildpacks-v3       68s
  • Submit your BuildRun:

    cat <<EOF | kubectl create -f -
    apiVersion: shipwright.io/v1beta1
    kind: BuildRun
    metadata:
      generateName: buildpack-nodejs-buildrun-
    spec:
      build:
        name: buildpack-nodejs-build
    EOF
  • Wait until your BuildRun is completed and then you can view it as follows:

    $ kubectl get buildruns
    
    NAME                              SUCCEEDED   REASON      STARTTIME   COMPLETIONTIME
    buildpack-nodejs-buildrun-xyzds   True        Succeeded   69s         2s

    or

    kubectl get buildrun --output name | xargs kubectl wait --for=condition=Succeeded --timeout=180s
  • After your BuildRun is completed, check your container registry, you will find the new generated image uploaded there.

Running on OpenShift

If you are running on OpenShift and if the pipeline service account isn't already created, here are the steps to create the same:

oc create serviceaccount pipeline
oc adm policy add-scc-to-user privileged -z pipeline
oc adm policy add-role-to-user edit -z pipeline

Please tell us more!

Depending on your source code, you might want to build it differently with Shipwright.

To find out more on what's the best strategy or what else can Shipwright do for you, please visit our tutorial!

More information

Read the Docs

Version Docs Examples
HEAD Docs @ HEAD Examples @ HEAD
v0.13.0 Docs @ v0.13.0 Examples @ v0.13.0
v0.12.0 Docs @ v0.12.0 Examples @ v0.12.0
v0.11.0 Docs @ v0.11.0 Examples @ v0.11.0
v0.10.0 Docs @ v0.10.0 Examples @ v0.10.0
v0.9.0 Docs @ v0.9.0 Examples @ v0.9.0
v0.8.0 Docs @ v0.8.0 Examples @ v0.8.0
v0.7.0 Docs @ v0.7.0 Examples @ v0.7.0
v0.6.0 Docs @ v0.6.0 Examples @ v0.6.0
v0.5.1 Docs @ v0.5.1 Examples @ v0.5.1
v0.5.0 Docs @ v0.5.0 Examples @ v0.5.0
v0.4.0 Docs @ v0.4.0 Examples @ v0.4.0
v0.3.0 Docs @ v0.3.0 Examples @ v0.3.0
v0.2.0 Docs @ v0.2.0 Examples @ v0.2.0
v0.1.1 Docs @ v0.1.1 Examples @ v0.1.1
v0.1.0 Docs @ v0.1.0 Examples @ v0.1.0

Dependencies

Dependency Supported versions
Kubernetes v1.27.*, v1.28.*, v1.29.*
Tekton v0.50.*, v0.53.*, v0.56.*

Platform support

We are building container images of the Shipwright Build controller for all platforms supported by the base image that we are using which is registry.access.redhat.com/ubi9/ubi-minimal. Those are:

  • linux/amd64
  • linux/arm64
  • linux/ppc64le
  • linux/s390x

All these platforms are also supported by our Tekton Pipelines dependency. Our own tests as part of our CI pipeline are all only running on and testing the linux/amd64 platform.

Our sample build strategies are all functional on linux/amd64. Their support on other platforms relies on the tools being used there to be available for other platforms. For detailed information, please see Available ClusterBuildStrategies.

Want to get involved?

Community meetings

We host weekly meetings for users, contributors, maintainers and anyone interested in the project. The weekly meetings take place on Mondays at 1pm UTC.

Want to contribute

We are so excited to have you!


Shipwright is a Cloud Native Computing Foundation (CNCF) Sandbox project.