fix: derive repo name from git remote to avoid empty context\n\n- Replace github.repository with git remote parsing\n- More reliable in Gitea Actions where context may be missing\n- Produces valid tags like git.danhenry.dev:5050/thelab/sandbox-base-image:<sha>

.gitea/workflows/ci.yml

@@ -26,7 +26,8 @@ jobs:
       - name: Set image name (lowercase)
         id: meta
         run: |
-          echo "repo=${{ toLower(github.repository) }}" >> $GITHUB_OUTPUT
+          REPO=$(git config --get remote.origin.url | sed -n 's|.*[:/]\([^/]\+\/[^.]\+\).*|\1|p')
+          echo "repo=$(echo "$REPO" | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT
 
       - name: Log in to Gitea Container Registry
         uses: docker/login-action@v3