build images for guardrails docs

Author: lbeurerkellner

.github/workflows/docs-guardrails.yml

@@ -0,0 +1,26 @@
+name: Documentation Docker Image
+
+on:
+  push:
+    branches: ["guardrails"]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to GitHub Container Registry
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+
+      - name: Build Docs
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: ghcr.io/${{ github.repository }}/docs:guardrails