[git] Catalog build for different architectures

Signed-off-by: dd di cesare <didi@posteo.net>

.github/workflows/build-images.yaml

@@ -162,6 +162,9 @@ jobs:
     name: Build and push catalog image
     needs: [build, build-bundle]
     runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        arch: [ amd64, arm64, ppc64le, s390x ]
     if: github.ref_name == 'main' || startsWith(github.ref, 'refs/tags/v') # We cannot use `env.MAIN_BRANCH_NAME` because `env` context is not available to `job.if`. See https://docs.github.com/en/actions/learn-github-actions/contexts#context-availability
     steps:
       - name: Set up Go 1.21.x
@@ -212,7 +215,8 @@ jobs:
             REGISTRY=${{ env.IMG_REGISTRY_HOST }} ORG=${{ env.IMG_REGISTRY_ORG }} \
             VERSION=${{ env.VERSION }} \
             AUTHORINO_VERSION=${{ github.event.inputs.authorinoVersion }} \
-            CHANNELS=${{ inputs.channels }}
+            CHANNELS=${{ inputs.channels }} \
+            CATALOG_ARCH=${{ matrix.arch }}
       - name: Git diff
         run: git diff
       - name: Build Image
@@ -221,7 +225,7 @@ jobs:
         with:
           image: ${{ env.OPERATOR_NAME }}-catalog
           tags: ${{ env.IMG_TAGS }}
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/${{ matrix.arch }}
           context: ./catalog
           dockerfiles: |
             ./catalog/${{ env.OPERATOR_NAME }}-catalog.Dockerfile