introduce standard docker workflow and include sbom in container images

.github/workflows/docker.yaml

@@ -0,0 +1,49 @@
+name: Docker Image from master
+
+on:
+  pull_request:
+    branches:
+      - master
+  release:
+    types:
+      - published
+  push:
+    branches:
+      - master
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Fetch tags # fetch-tags does not work
+        run: git fetch --prune --unshallow --tags
+
+      - name: Make tag
+        run: |
+          [ "${GITHUB_EVENT_NAME}" == 'pull_request' ] && echo "TAG_NAME=$(echo $GITHUB_REF | awk -F / '{print $3}')-${GITHUB_HEAD_REF##*/}" >> $GITHUB_ENV || true
+          [ "${GITHUB_EVENT_NAME}" == 'release' ] && echo "TAG_NAME=${GITHUB_REF##*/}" >> $GITHUB_ENV || true
+          [ "${GITHUB_EVENT_NAME}" == 'push' ] && echo "TAG_NAME=latest" >> $GITHUB_ENV || true
+
+      - name: Docker Login
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.DOCKER_REGISTRY_USER }}
+          password: ${{ secrets.DOCKER_REGISTRY_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          sbom: true
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.TAG_NAME }}