Refactor ci workflow

.gitea/workflows/ci.yaml

@@ -7,7 +7,7 @@ on:
 env:
   REGISTRY: ${{ vars.DOCKER_REGISTRY_URL }}
   IMAGE_NAME: bertomlab/crawlflix-front
-  IMAGE_TAG: ${{ github.sha }}
+  IMAGE_TAG: ${{ github.sha::7 }}
   CONTAINER_NAME: ${{ vars.CONTAINER_NAME }}
 
 jobs:
@@ -34,7 +34,7 @@ jobs:
       - name: Build and push
         uses: docker/build-push-action@v6
         with:
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           push: true
           tags: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}