Add debug output to identify which buildah command hangs

Remove unnecessary registries.conf write (host already has it).
Add set -ex and echo markers between commands to pinpoint the hang.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/deploy.yaml

@@ -21,15 +21,20 @@ jobs:
 
       - name: Build and push container image
         run: |
-          mkdir -p /etc/containers
-          printf '[[registry]]\nlocation = "git.kimchi"\ninsecure = true\n' > /etc/containers/registries.conf
+          set -ex
 
           IMAGE_TAG="${{ env.IMAGE }}:sha-${GITHUB_SHA::8}"
           IMAGE_LATEST="${{ env.IMAGE }}:latest"
 
           buildah bud --tls-verify=false -f Containerfile -t "$IMAGE_TAG" -t "$IMAGE_LATEST" .
+
+          echo "=== buildah login ==="
           buildah login --tls-verify=false "${{ env.REGISTRY }}" -u "${{ secrets.REGISTRY_USER }}" -p "${{ secrets.REGISTRY_PASSWORD }}"
+
+          echo "=== buildah push tag ==="
           buildah push --tls-verify=false "$IMAGE_TAG"
+
+          echo "=== buildah push latest ==="
           buildah push --tls-verify=false "$IMAGE_LATEST"
 
           echo "IMAGE_TAG=$IMAGE_TAG" >> "$GITHUB_ENV"