add example

examples/bootc/src/Containerfile

@@ -0,0 +1,4 @@
+FROM quay.io/fedora/fedora-bootc:41
+
+RUN dnf install -y htop \
+ && dnf clean all

examples/bootc/tekton/pipeline.yaml

@@ -0,0 +1,87 @@
+apiVersion: tekton.dev/v1beta1
+kind: Pipeline
+metadata:
+  name: bootc
+spec:
+
+  workspaces:
+  - name: source-workspace
+  - name: oci-images
+  - name: registry-token
+
+  params:
+  - name: git-url
+    type: string
+  - name: git-revision
+    type: string
+    default: main
+  - name: image-name
+    type: string
+  - name: context-dir
+    type: string
+    default: "."
+  - name: containerfile-path
+    type: string
+    default: "Containerfile"
+
+  tasks:
+
+  - name: clone-repo
+    taskRef:
+      kind: Task
+      name: git-clone
+    params:
+    - name: url
+      value: $(params.git-url)
+    - name: revision
+      value: $(params.git-revision)
+    workspaces:
+    - name: output
+      workspace: source-workspace
+  
+  - name: build-x86-64
+    runAfter: ["clone-repo"]
+    taskRef:
+      name: buildah-build
+    params:
+    - name: context-dir
+      value: $(params.context-dir)
+    - name: containerfile-path
+      value: $(params.containerfile-path)
+    workspaces:
+    - name: source-workspace
+      workspace: source-workspace
+    - name: oci-images
+      workspace: oci-images
+  
+  - name: build-aarch64
+    runAfter: ["clone-repo"]
+    taskRef:
+      name: buildah-build
+    params:
+    - name: context-dir
+      value: $(params.context-dir)
+    - name: containerfile-path
+      value: $(params.containerfile-path)
+    workspaces:
+    - name: source-workspace
+      workspace: source-workspace
+    - name: oci-images
+      workspace: oci-images
+
+  - name: push-image
+    runAfter: ["build-x86-64", "build-aarch64"]
+    taskRef:
+      name: buildah-push
+    params:
+    - name: image-name
+      value: $(params.image-name)
+    - name: architectures
+      value:
+      - x86_64
+      - aarch64
+    workspaces:
+    - name: oci-images
+      workspace: oci-images
+    - name: dockerconfig
+      workspace: registry-token

examples/bootc/tekton/pipelinerun.yaml

@@ -0,0 +1,51 @@
+apiVersion: tekton.dev/v1
+kind: PipelineRun
+metadata:
+  generateName: bootc-
+spec:
+  pipelineRef:
+    name: bootc
+  params:
+  - name: git-url
+    value: https://github.com/nmasse-itix/tekton-pipeline-multiarch.git
+  - name: git-revision
+    value: devoxx-france-2025
+  - name: image-name
+    value: quay.io/nmasse-redhat/fedora-with-htop
+  - name: context-dir
+    value: examples/bootc/src
+  - name: containerfile-path
+    value: "examples/bootc/src/Containerfile"
+  workspaces:
+  - name: oci-images
+    volumeClaimTemplate:
+      spec:
+        storageClassName: efs-csi
+        accessModes:
+        - ReadWriteMany
+        resources:
+          requests:
+            storage: 10Gi
+  - name: source-workspace
+    volumeClaimTemplate:
+      spec:
+        storageClassName: efs-csi
+        accessModes:
+        - ReadWriteMany
+        resources:
+          requests:
+            storage: 1Gi
+  - name: registry-token
+    secret:
+      secretName: quay-authentication
+  taskRunTemplate:
+    serviceAccountName: buildbot
+  taskRunSpecs:
+  - pipelineTaskName: build-aarch64
+    podTemplate:
+      nodeSelector:
+        beta.kubernetes.io/arch: arm64
+      tolerations:
+      - key: "emea-open-demo.redhat.com/arm64-architecture"
+        operator: "Exists"
+        effect: "NoSchedule"