rework build, requirements and pipline

.gitea/workflows/create_and_push_multiarch_container.yml

@@ -1,12 +1,13 @@
-name: release-tag
+name: build-image
+run-name: build and push Docker-Image
 
 on:
   workflow_dispatch: # Manuelles Auslösen des Workflows
     inputs:
       image_tag:
-        description: 'Tag für das Docker-Image (z.B. latest oder v1.0.0)'
+        description: '2. Tag für das Docker-Image (z.B. 1.0.0)'
         required: true
-        default: 'latest'
+        default: '0.3.0'
 
 env:
   image_name: doc_rudi
@@ -31,12 +32,6 @@ jobs:
           username: ${{ env.user }}
           password: ${{ secrets.DOCKER_PULL_TOKEN }}
 
-      - name: Get Meta
-        id: meta
-        run: |
-          echo REPO_VERSION=$(git describe --tags --always | sed 's/^v//') >> $GITHUB_OUTPUT                
-          echo DOCKERFILE_VERSION=$(grep 'LABEL version=' Dockerfile | sed 's/.*LABEL version="\([^"]*\)".*/\1/') >> $GITHUB_OUTPUT
-
       - name: Build and push
         run: |
           # Stelle sicher, dass Buildx aktiviert ist
@@ -46,7 +41,6 @@ jobs:
           docker buildx build \
             --file ./Dockerfile \
             --platform linux/amd64,linux/386,linux/arm64,linux/arm/v7 \
-            --tag ${{ env.registry }}/${{ env.user }}/${{ env.image_name }}:${{ steps.meta.outputs.REPO_VERSION }} \
-            --tag ${{ env.registry }}/${{ env.user }}/${{ env.image_name }}:${{ steps.meta.outputs.DOCKERFILE_VERSION }} \
+            --tag ${{ env.registry }}/${{ env.user }}/${{ env.image_name }}:latest \
             --tag ${{ env.registry }}/${{ env.user }}/${{ env.image_name }}:${{ github.event.inputs.image_tag }} \
             --push ./