Change from docker.io tag to custom registry tag

.gitea/workflows/ci.yaml

@@ -6,6 +6,10 @@ on:
 jobs:
   docker:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        platform: [linux/amd64, linux/arm64]
+
     steps:
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
@@ -23,6 +27,8 @@ jobs:
       - name: Build and push
         uses: docker/build-push-action@v6
         with:
-          platforms: linux/amd64,linux/arm64
+          platforms: ${{ matrix.platform }}
           push: true
-          tags: ${{ vars.DOCKER_REGISTRY_URL }}/bertomlab/crawlflix/front:latest
+          tags: |
+            192.168.1.230:5000/bertomlab/crawlflix/front:latest
+            192.168.1.230:5000/bertomlab/crawlflix/front:${{ matrix.platform }}