Fix wrong docker prefix in image push process

Signed-off-by: marcel <wagmarcel@web.de>

.github/workflows/release.yaml

@@ -6,29 +6,30 @@ on:
       - v*
 
 jobs:
-  call-build:
-    uses: IndustryFusion/DigitalTwin/.github/workflows/build.yaml@main
-  call-test:
-    uses: IndustryFusion/DigitalTwin/.github/workflows/k8s-tests.yaml@main
   push-release-images:
-    needs: call-test
-    runs-on: private
+    runs-on: ubuntu-latest
     env: 
       DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
       DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
       DOCKER_PREFIX: ${{ secrets.DOCKER_PREFIX }}
       SELF_HOSTED_RUNNER: true
     steps:
+      - uses: actions/checkout@v2
+      - name: Build the Docker images
+        run: docker-compose build
       - name: Push release images
         shell: bash
         run: |
           set +o pipefail
           docker login -u "${DOCKER_USERNAME}" -p "${DOCKER_PASSWORD}"
           TARGET_DOCKER_TAG=`git describe --tags --exact-match` || exit 1
+          echo Selected tag ${TARGET_DOCKER_TAG}
           # Tag and push passed "k3d-iff.localhost:12345" with release tag
           images=$(docker images --format "{{.Repository}}:{{.Tag}}" | grep ":${TARGET_DOCKER_TAG}")
+          echo I will push the following images: ${images}
           for image in $images; do
-            newimage=$(echo $image | sed -r "s/k3d-iff.localhost:12345/${DOCKER_PREFIX}/g");
+            newimage=$(echo $image | sed -r "s/k3d-iff.localhost:12345/docker.io/g");
+            echo I will push image ${image} as ${newimage}
             docker tag ${image} ${newimage};
             docker push ${newimage};
           done