Refactor Docker workflow: remove system dependencies installation, update registry credentials, and adjust event conditionals

.gitea/workflows/docker-image.yml

@@ -15,10 +15,6 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Install system Dependencies
-        run: |
-          apt-get update && apt-get install -y curl jq docker.io
-
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -26,21 +22,21 @@ jobs:
         uses: docker/login-action@v3
         with:
           registry: gitea.purpleraft.com
-          username: ${{ secrets.REGISTRY_USERNAME }}
+          username: ${{ gitea.actor }}
-          password: ${{ secrets.REGISTRY_PASSWORD }}
+          password: ${{ secrets.REGISTRY_TOKEN }}
 
       - name: Extract metadata (tags, labels)
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REGISTRY_HOST }}/${{ env.REGISTRY_OWNER }}/${{ env.REGISTRY_REPO }}
+          images: gitea.purpleraft.com/${{ gitea.repository_owner }}/noisedash
           tags: |
             type=ref,event=branch
             type=ref,event=tag
             type=sha
 
       - name: Build (PR only)
-        if: ${{ github.event_name == 'pull_request' }}
+        if: ${{ gitea.event_name == 'pull_request' }}
         uses: docker/build-push-action@v6
         with:
           context: .
@@ -50,12 +46,12 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
 
       - name: Build and push (branches/tags)
-        if: ${{ github.event_name != 'pull_request' }}
+        if: ${{ gitea.event_name != 'pull_request' }}
         uses: docker/build-push-action@v6
         with:
           context: .
           file: ./Dockerfile
           push: true
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}