more fixing the workflow

.gitea/workflows/docker-publish.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   build-and-push:
-    runs-on: ubuntu-latest 
+    runs-on: docker
     steps:
       - name: Checkout
         uses: actions/checkout@main
@@ -16,13 +16,13 @@ jobs:
 
       - name: Login to Gitea Container Registry
         run: |
-          echo "${{ secrets.GITEA_TOKEN }}" | docker login -u "${{ github.actor }}" --password-stdin gitea.scu.si
+          echo "$GITEA_TOKEN" | docker login -u "$GITEA_ACTOR" --password-stdin gitea.scu.si
 
       - name: Build and push
         run: |
           docker buildx build \
             --platform linux/amd64,linux/arm64 \
             --push \
-            -t gitea.scu.si/${{ github.repository }}/mdhost:latest \
+            -t gitea.scu.si/${GITEA_REPOSITORY}/mdhost:latest \
-            -t gitea.scu.si/${{ github.repository }}/mdhost:${{ github.ref_name }} \
+            -t gitea.scu.si/${GITEA_REPOSITORY}/mdhost:$GITEA_REF_NAME \
             .