From dd0318e3a42f25d567b95e0fa61f052e665239fc Mon Sep 17 00:00:00 2001
From: HB9HIL <fabian.berg@hb9hil.org>
Date: Fri, 20 Feb 2026 15:38:33 +0100
Subject: [PATCH] testing parallel build job

---
 .github/workflows/docker-image.yml | 115 ++++++++++++++++++++++++++---
 1 file changed, 106 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 69c8d9567..ea7c66712 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -10,19 +10,52 @@ env:
   IMAGE_NAME: ${{ github.repository }}
 
 jobs:
-  build:
+  build-amd64:
     runs-on: ubuntu-latest
     permissions:
       contents: read
       packages: write
+    outputs:
+      digest: ${{ steps.build.outputs.digest }}
     steps:
     - uses: actions/checkout@v6
-    - name: 'Login to GitHub Container Registry'
+    - name: Login to GitHub Container Registry
       uses: docker/login-action@v3
       with:
-       registry: ghcr.io
-       username: ${{github.actor}}
-       password: ${{secrets.GITHUB_TOKEN}}
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - name: Docker meta
+      id: meta
+      uses: docker/metadata-action@v5
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+    - name: Build and push (amd64)
+      id: build
+      uses: docker/build-push-action@v6
+      with:
+        context: .
+        platforms: linux/amd64
+        outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
+        labels: ${{ steps.meta.outputs.labels }}
+
+  build-arm64:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    outputs:
+      digest: ${{ steps.build.outputs.digest }}
+    steps:
+    - uses: actions/checkout@v6
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
     - name: Docker meta
       id: meta
       uses: docker/metadata-action@v5
@@ -32,11 +65,75 @@ jobs:
       uses: docker/setup-qemu-action@v3
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
-    - name: Build and push
+    - name: Build and push (arm64)
+      id: build
       uses: docker/build-push-action@v6
       with:
         context: .
-        platforms: linux/amd64,linux/arm64,linux/arm/v7
-        push: true
-        tags: ${{ steps.meta.outputs.tags }}
+        platforms: linux/arm64
+        outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
         labels: ${{ steps.meta.outputs.labels }}
+
+  build-armv7:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    outputs:
+      digest: ${{ steps.build.outputs.digest }}
+    steps:
+    - uses: actions/checkout@v6
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - name: Docker meta
+      id: meta
+      uses: docker/metadata-action@v5
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+    - name: Build and push (arm/v7)
+      id: build
+      uses: docker/build-push-action@v6
+      with:
+        context: .
+        platforms: linux/arm/v7
+        outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
+        labels: ${{ steps.meta.outputs.labels }}
+
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - build-amd64
+      - build-arm64
+      - build-armv7
+    permissions:
+      contents: read
+      packages: write
+    steps:
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - name: Docker meta
+      id: meta
+      uses: docker/metadata-action@v5
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+    - name: Create and push multi-arch manifest
+      run: |
+        docker buildx imagetools create \
+          $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+          ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ needs.build-amd64.outputs.digest }} \
+          ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ needs.build-arm64.outputs.digest }} \
+          ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@${{ needs.build-armv7.outputs.digest }}