diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 96e5e6c..b4468de 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout repository'
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@3c4e3dcb1aa7874d2c16be7d79418e9b7efd6261 # v4.8.2
         # Commonly enabled options, see https://github.com/actions/dependency-review-action#configuration-options for all available options.
diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
new file mode 100644
index 0000000..3c82b8e
--- /dev/null
+++ b/.github/workflows/docker-publish.yml
@@ -0,0 +1,112 @@
+name: Docker
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+on:
+  schedule:
+    - cron: '31 22 * * *'
+  push:
+    branches: [ "main", "release-*" ]
+    # Publish semver tags as releases.
+    tags: [ 'v*.*.*' ]
+  pull_request:
+    branches: [ "main", "release-*" ]
+    
+permissions:
+  contents: read
+  
+env:
+  # Use docker.io for Docker Hub if empty
+  REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    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@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+
+      # # 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@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 #v3.5.0
+      #   with:
+      #     cosign-release: 'v2.2.4'
+
+      # Set up BuildKit Docker container builder to be able to build
+      # multi-platform images and export cache
+      # https://github.com/docker/setup-buildx-action
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+
+      # 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@5e57cd118135c172c3672efd75eb46360885c0ef # v3.6.0
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5.10.0
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          flavor: |
+            latest=false
+          tags: |
+            type=schedule,enable=true,priority=1000,pattern=nightly
+            type=semver,pattern={{version}}
+            type=ref,event=branch
+            type=ref,event=pr
+            type=raw,value=latest,enable=${{ startsWith(github.ref, format('refs/tags/{0}', vars.VERSION_PATTERN))}}
+
+      # 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@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
+        with:
+          sbom: true
+          provenance: mode=max
+          context: ./source
+          file: source/AAS.TwinEngine.DataEngine/Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      # # 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:
+      #     # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
+      #     TAGS: ${{ steps.meta.outputs.tags }}
+      #     DIGEST: ${{ steps.build-and-push.outputs.digest }}
+      #   # This step uses the identity token to provision an ephemeral certificate
+      #   # against the sigstore community Fulcio instance.
+      #   run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index 196bccf..0860f29 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -18,17 +18,22 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
     - name: Setup .NET
-      uses: actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9 # v4.3.1
+      uses: actions/setup-dotnet@2016bd2012dba4e32de620c46fe006a3ac9f0602 # v5.0.1
       with:
         dotnet-version: 8.0.x
     - name: Restore dependencies
       run: dotnet restore --locked-mode
       working-directory: source
     - name: Build
-      run: dotnet build --no-restore
+      run: dotnet build --no-restore --configuration Release ../source/AAS.TwinEngine.DataEngine.sln
+      working-directory: source
+    - name: Run tests with code coverage
+      run: |
+        dotnet test ../source/AAS.TwinEngine.DataEngine.UnitTests/AAS.TwinEngine.DataEngine.UnitTests.csproj \
+          --configuration Release \
+          --settings ../source/coverlet.runsettings \
+          --collect:"XPlat Code Coverage" \
+          -- DataCollectionRunSettings.DataCollectors.DataCollector.Configuration.Format=cobertura
       working-directory: source
-    # - name: Test
-    #   run: dotnet test --no-build --verbosity normal
-    #   working-directory: source
diff --git a/.github/workflows/sbom.yml b/.github/workflows/sbom.yml
new file mode 100644
index 0000000..d5fc880
--- /dev/null
+++ b/.github/workflows/sbom.yml
@@ -0,0 +1,29 @@
+name: SBOM Generation
+
+on:
+  push:
+    branches: [ "main", "release-*" ]
+    tags: [ 'v*.*.*' ]
+
+permissions:
+  contents: read
+
+jobs:
+  generate-sbom:
+    permissions:
+      contents: write
+      
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+
+      - name: Generate SBOM
+        run: docker run --rm -v /tmp:/tmp -v $(pwd):/app:rw -t ghcr.io/cyclonedx/cdxgen -r /app -o /tmp/bom.json
+    
+      - name: Upload SBOM artifact
+        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+        with:
+          name: sbom
+          path: /tmp/bom.json
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 85079c8..0d586b6 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with:
           persist-credentials: false
 
@@ -73,6 +73,6 @@ jobs:
       # Upload the results to GitHub's code scanning dashboard (optional).
       # Commenting out will disable upload of results to your repo's Code Scanning dashboard
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@5d5cd550d3e189c569da8f16ea8de2d821c9bf7a # v3.31.2
+        uses: github/codeql-action/upload-sarif@fe4161a26a8629af62121b670040955b330f9af2 # v4.31.6
         with:
           sarif_file: results.sarif