Test base image in local registry

.github/workflows/docker_debian_unified.yml

@@ -29,8 +29,9 @@ jobs:
     outputs:
       runs_on: ubuntu-latest
 
+      # Definition of the matrix values for the subsequent jobs
       matrix_debian_version: "['bullseye', 'buster']"
-      matrix_username: "['pi', 'hans']"
+      matrix_username: "['hans']" #"['pi', 'hans']"
       matrix_test_script: "['run_installation_tests.sh', 'run_installation_tests2.sh', 'run_installation_tests3.sh']"
 
       cache_scope: ${{ steps.set-cache_scope.outputs.cache_scope }}
@@ -59,6 +60,11 @@ jobs:
   build:
     needs: [prepare]
     runs-on: ${{ needs.prepare.outputs.runs_on }}
+    services:
+        registry:
+          image: registry:2
+          ports:
+            - 5000:5000
 
     strategy:
         fail-fast: false
@@ -73,21 +79,26 @@ jobs:
 
     - name: Set up Docker Buildx
       uses: docker/[email protected]
+      with:
+        # network=host driver-opt needed to push to local registry
+        driver-opts: network=host
 
     - name: Build Image ARMv7 - Base
       uses: docker/build-push-action@v5
       with:
         context: .
         load: false
-        push: false
+        push: true
         file: ./ci/Dockerfile.debian.test_install_unified.armv7
-        target: user
+        target: test
         platforms: linux/arm/v7
-        tags: ${{ format( needs.prepare.outputs.image_tag_name, matrix.debian_version) }}-base
+        tags: localhost:5000/${{ format( needs.prepare.outputs.image_tag_name, matrix.debian_version) }}-base
         cache-from: type=gha,scope=${{ format( needs.prepare.outputs.cache_scope, matrix.debian_version) }}
         cache-to: type=gha,mode=max,scope=${{ format( needs.prepare.outputs.cache_scope, matrix.debian_version) }}
         build-args: |
           DEBIAN_VERSION=${{ matrix.debian_version }}
+          GIT_BRANCH=${{ github.ref_name }}
+          GIT_URL=${{ github.server_url }}/${{ github.repository }}
 
 
     - name: Build Image ARMv7 - Update
@@ -104,9 +115,8 @@ jobs:
         # DON'T use 'cache-to' here as then the layer is cached and this build would be useless
         outputs: type=docker,dest=${{ format( needs.prepare.outputs.image_file_path, matrix.debian_version) }}
         build-args: |
-          DEBIAN_VERSION=${{ matrix.debian_version }}
-          GIT_BRANCH=${{ github.ref_name }}
-          GIT_URL=${{ github.server_url }}/${{ github.repository }}
+          BASE_TEST_IMAGE="localhost:5000/${{ format( needs.prepare.outputs.image_tag_name, matrix.debian_version) }}-base"
+
 
     - name: Cache Check Docker Image
       uses: actions/cache/restore@v3

ci/Dockerfile.debian.test_install_unified.armv7

@@ -1,5 +1,6 @@
 # Target to build and install all needed base configuration and packages
 ARG DEBIAN_VERSION=bullseye
+ARG BASE_TEST_IMAGE=test
 FROM debian:${DEBIAN_VERSION}-slim as base
 ARG DEBIAN_VERSION
 
@@ -70,7 +71,7 @@ COPY --chown=root:$TEST_USER_GROUP --chmod=770 scripts/installscripts/tests/*.sh
 
 
 # Target for applying latest updates (should not be cached!)
-FROM test as test-update
+FROM $BASE_TEST_IMAGE as test-update
 RUN apt-get update \
   && apt-get -y upgrade \
   && rm -rf /var/lib/apt/lists/*