diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 69ee551..3f2435e 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -1,4 +1,4 @@
-name: Docker
+name: Build container image, publish as Github-package
 
 # This workflow uses actions that are not certified by GitHub.
 # They are provided by a third-party and are governed by
@@ -6,14 +6,11 @@ name: Docker
 # documentation.
 
 on:
-  schedule:
-    - cron: '25 16 * * *'
   push:
-    branches: [ develop ]
+    branches: [ master, develop ]
     # Publish semver tags as releases.
-    tags: [ 'v*.*.*' ]
-  pull_request:
-    branches: [ develop ]
+    tags:
+      - 'v*.*.*'
 
 env:
   # Use docker.io for Docker Hub if empty
@@ -21,7 +18,6 @@ env:
   # github.repository as <account>/<repo>
   IMAGE_NAME: ${{ github.repository }}
 
-
 jobs:
   build:
 
@@ -29,32 +25,16 @@ jobs:
     permissions:
       contents: read
       packages: write
-      # This is used to complete the identity challenge
-      # with sigstore/fulcio when running outside of PRs.
-      id-token: write
 
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
 
-      # Install the cosign tool except on PR
-      # https://github.com/sigstore/cosign-installer
-      - name: Install cosign
-        if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@d6a3abf1bdea83574e28d40543793018b6035605
-        with:
-          cosign-release: 'v1.7.1'
-
-
-      # Workaround: https://github.com/docker/build-push-action/issues/461
-      - name: Setup Docker buildx
-        uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf
-
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
+        uses: docker/login-action@v1.14.1
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -64,30 +44,18 @@ jobs:
       # https://github.com/docker/metadata-action
       - name: Extract Docker metadata
         id: meta
-        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        uses: docker/metadata-action@v3.6.2
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          images: |
+            ghcr.io/${{ github.repository }}
+          flavor: latest=true
 
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action
-      - name: Build and push Docker image
-        id: build-and-push
-        uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
+      - name: Build and push Docker images
+        uses: docker/build-push-action@v2.9.0
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-
-      # Sign the resulting Docker image digest except on PRs.
-      # This will only write to the public Rekor transparency log when the Docker
-      # repository is public to avoid leaking data.  If you would like to publish
-      # transparency data even for private images, pass --force to cosign below.
-      # https://github.com/sigstore/cosign
-      - name: Sign the published Docker image
-        if: ${{ github.event_name != 'pull_request' }}
-        env:
-          COSIGN_EXPERIMENTAL: "true"
-        # This step uses the identity token to provision an ephemeral certificate
-        # against the sigstore community Fulcio instance.
-        run: cosign sign ${{ steps.meta.outputs.tags }}@${{ steps.build-and-push.outputs.digest }}