fix ci

.github/workflows/ci.yml

@@ -21,6 +21,7 @@ env:
   # when the toolchain is new enough (gofmt is part of the Go toolchain in 1.27).
   GO_VERSION: "1.27"
   NODE_VERSION: "22"
+  IMAGE: registry.k6n.net/fancydns
 
 jobs:
   go:
@@ -174,7 +175,7 @@ jobs:
 
   image:
     name: Container image
-    runs-on: ubuntu-latest
+    runs-on: amd64
     needs: [binary]
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     permissions:
@@ -183,24 +184,11 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: docker/setup-buildx-action@v3
+      - name: Build 
+        run: |
+          docker build -t $IMAGE:${{ gitea.sha }} -t $IMAGE:latest .
 
-      - name: Log in to the registry
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          push: true
-          tags: |
-            ghcr.io/${{ github.repository }}:latest
-            ghcr.io/${{ github.repository }}:${{ github.sha }}
-          build-args: |
-            VERSION=${{ github.sha }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+      - name: Push image
+        run: |
+          docker push $IMAGE:${{ gitea.sha }}
+          docker push $IMAGE:latest