use server url

.gitea/workflows/build-and-publish.yaml

@@ -30,14 +30,14 @@ jobs:
       - name: Log in to Gitea Container Registry
         uses: docker/login-action@v3
         with:
-          registry: ${{ env.REGISTRY }}
+          registry: ${{ github.server_url }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
           
       - name: Tag and Push Docker Image
         run: |
           VERSION=${{ github.run_number }}
-          TARGET_IMAGE=${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
+          TARGET_IMAGE=${{ github.server_url }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
           
           # Auto-detect the built image name
           SOURCE_IMAGE=$(docker images --format "{{.Repository}}:{{.Tag}}" | head -n 1)