diff --git a/.github/workflows/.github-ci.yaml b/.github/workflows/.github-ci.yaml
index 4cc259f..7fce44c 100644
--- a/.github/workflows/.github-ci.yaml
+++ b/.github/workflows/.github-ci.yaml
@@ -1,28 +1,42 @@
 name: ci
 
-on: push
+on:
+  push:
+  workflow_dispatch:
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-host
 
     steps:
       -
-        name: Login to Docker Hub
+        name: Repository meta
+        id: repository
+        run: |
+          registry=${{ github.server_url }}
+          registry=${registry##http*://}
+          echo "registry=${registry}" >> "$GITHUB_OUTPUT"
+          echo "registry=${registry}"
+          repository="$(echo "${{ github.repository }}" | tr '[:upper:]' '[:lower:]')"
+          echo "repository=${repository}" >> "$GITHUB_OUTPUT"
+          echo "repository=${repository}"
+      -
+        name: Docker meta
+        uses: docker/metadata-action@v5
+        id: docker
+        with:
+          images: ${{ steps.repository.outputs.registry }}/${{ steps.repository.outputs.repository }}
+      -
+        name: Login to registry
         uses: docker/login-action@v3
         with:
-          registry: gitea.client.c-one-infra.de
-          username: ${{ github.repository }}
-          password: ${{ secrets.PACKAGES_TOKEN }}
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-      -
-        name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+          registry: ${{ steps.repository.outputs.registry }}
+          username: "${{ secrets.PACKAGES_USER }}"
+          password: "${{ secrets.PACKAGES_TOKEN }}"
       -
         name: Build and push
         uses: docker/build-push-action@v6
         with:
           push: true
-          tags: gitea.client.c-one-infra.de/giteaadmin/app:latest
\ No newline at end of file
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.docker.outputs.tags }}
diff --git a/Dockerfile b/Dockerfile
index 45ea65f..4280220 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,6 +5,7 @@ COPY ./ ./
 
 # RUN go mod download
 
+RUN echo jojo
 RUN CGO_ENABLED=0 GOOS=linux go build -o fibonacci-go cmd/main.go
 
 # ToDo: use stretch as image for a completly empty container