test matrix runs

Author: Azathothas

.github/workflows/build_gh_runner_images.yaml

@@ -448,9 +448,18 @@ jobs:
         continue-on-error: true
 #------------------------------------------------------------------------------------#
   build-push-debian-unstable-base:
-    name: Push (Debian-Builder) --> Docker Hub
-    runs-on: ubuntu-latest
-    
+    name: Push (Debian-Builder ${{ matrix.arch }}) --> Docker Hub
+    runs-on: ${{ matrix.runner }}
+    strategy:
+      matrix:
+        include:
+          - arch: aarch64
+            platform: amd64
+            runner: ubuntu-24.04-arm
+          - arch: x86_64
+            platform: arm64
+            runner: ubuntu-latest
+  
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -508,12 +517,12 @@ jobs:
         with:
           context: /tmp/DOCKERFILES/
           file: "/tmp/DOCKERFILES/debian-builder-unstable.dockerfile"
-          platforms: "linux/amd64,linux/arm64"
+          platforms: "linux/${{ matrix.platform }}"
           tags: |
-            pkgforge/debian-builder-unstable:latest
-            pkgforge/debian-builder-unstable:latest-${{ env.DOCKER_TAG }}
-            ghcr.io/pkgforge/devscripts/debian-builder-unstable:latest
-            ghcr.io/pkgforge/devscripts/debian-builder-unstable:latest-${{ env.DOCKER_TAG }}
+            pkgforge/debian-builder-unstable:${{ matrix.arch }}
+            pkgforge/debian-builder-unstable:${{ matrix.arch }}-${{ env.DOCKER_TAG }}
+            ghcr.io/pkgforge/devscripts/debian-builder-unstable:${{ matrix.arch }}
+            ghcr.io/pkgforge/devscripts/debian-builder-unstable:${{ matrix.arch }}-${{ env.DOCKER_TAG }}
           push: true
         continue-on-error: true
 #------------------------------------------------------------------------------------#