fixing build

.gitea/workflows/build-and-push.yml

@@ -8,6 +8,10 @@ on:
     branches:
       - main
 
+env:
+  REGISTRY: privaterepo.sitaru.org
+  IMAGE_NAME: ${{ gitea.repository }}
+
 jobs:
   build-and-push:
     runs-on: ubuntu-latest
@@ -21,7 +25,7 @@ jobs:
       - name: Log in to Gitea Container Registry
         uses: docker/login-action@v3
         with:
-          registry: ${{ gitea.server_url }}
+          registry: ${{ env.REGISTRY }}
           username: ${{ gitea.actor }}
           password: ${{ secrets.REGISTRY_TOKEN }}
 
@@ -29,7 +33,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ gitea.server_url }}/${{ gitea.repository }}
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
             type=ref,event=branch
             type=ref,event=pr