fix: Configurazione workflow per registry Gitea interno

- Modificato target da Docker Hub a gitea.home-nas-ds.org
- Aggiunto parametro registry al login
- Semplificata logica push (sempre attivo tranne per PR)
- Image name: gitea.home-nas-ds.org/alessio/ha-voltronic-mqtt

.gitea/workflows/docker-build.yml

@@ -32,20 +32,16 @@ jobs:
       - name: Prepare image name
         id: image-name
         run: |
-          if [ -n "${{ secrets.DOCKER_USERNAME }}" ]; then
-            echo "IMAGE_NAME=${{ secrets.DOCKER_USERNAME }}/ha-voltronic-mqtt" >> $GITHUB_OUTPUT
-            echo "SHOULD_PUSH=true" >> $GITHUB_OUTPUT
-          else
-            echo "IMAGE_NAME=local/ha-voltronic-mqtt" >> $GITHUB_OUTPUT
-            echo "SHOULD_PUSH=false" >> $GITHUB_OUTPUT
-          fi
+          # Usa il registry Gitea
+          echo "IMAGE_NAME=gitea.home-nas-ds.org/alessio/ha-voltronic-mqtt" >> $GITHUB_OUTPUT
+          echo "SHOULD_PUSH=true" >> $GITHUB_OUTPUT
 
       - name: Docker meta
         id: meta
         uses: docker/metadata-action@v4
         with:
           images: |
-            ${{ steps.image-name.outputs.IMAGE_NAME }}
+            gitea.home-nas-ds.org/alessio/ha-voltronic-mqtt
           tags: |
             type=ref,event=branch
             type=ref,event=pr
@@ -53,10 +49,11 @@ jobs:
             type=semver,pattern={{major}}.{{minor}}
             type=raw,value=latest,enable={{is_default_branch}}
 
-      - name: Login to Docker Hub
-        if: github.event_name != 'pull_request' && steps.image-name.outputs.SHOULD_PUSH == 'true'
+      - name: Login to Gitea Container Registry
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@v2
         with:
+          registry: gitea.home-nas-ds.org
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
@@ -66,7 +63,7 @@ jobs:
           context: .
           file: ./Dockerfile.multiarch
           platforms: linux/arm/v6,linux/arm/v7,linux/arm64
-          push: ${{ steps.image-name.outputs.SHOULD_PUSH == 'true' && github.event_name != 'pull_request' }}
+          push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           build-args: |