Fix Docker build command to use default Dockerfile

.gitea/workflows/build-docker.yml

@@ -33,8 +33,7 @@ jobs:
         run: |
           echo "Building image for architecture: ${{ matrix.arch }}"
               
-          docker build \
-            -f Dockerfile \
+          docker build . \
             -t ${{ env.IMAGE_PATH }}:${{ matrix.arch }}-latest \            
             --label "build_date=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" \
             --label "commit_sha=${{ github.sha }}" \