diff --git a/.github/workflows/.github-ci.yaml b/.github/workflows/.github-ci.yaml
index c4aef4a..7304c5d 100644
--- a/.github/workflows/.github-ci.yaml
+++ b/.github/workflows/.github-ci.yaml
@@ -1,53 +1,37 @@
 name: ci
 
-on:
-  push:
-  workflow_dispatch:
+on: push
 
 jobs:
-  build:
-    runs-on: ubuntu-22.04
-
+  docker:
+    runs-on: docker
+    
     steps:
-      -
-        name: Repository meta
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - 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
+
+      - 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: ${{ steps.repository.outputs.registry }}
-          username: "${{ secrets.PACKAGES_USER }}"
-          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
-        with:
-          buildkitd-flags: '--allow-insecure-entitlement network.host'
-          driver-opts: network=host
-      -
-        name: Build and push
-        uses: docker/build-push-action@v6
+
+      - name: Build and push
+        uses: https://codeberg.org/umglurf/kaniko-action@main
         with:
+          credentials: |
+            ${{ steps.repository.outputs.registry }}=${{ github.repository }}:${{ secrets.PACKAGES_TOKEN }}            
+          destinations: |
+            ${{ steps.docker.outputs.tags }}
           push: true
-          allow: network.host
-          network: host
-          platforms: linux/amd64,linux/arm64
-          tags: ${{ steps.docker.outputs.tags }}
diff --git a/Dockerfile b/Dockerfile
index 4280220..45ea65f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,6 @@ 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