Add CI setup

.github/workflows/build_docker.yml

@@ -0,0 +1,23 @@
+name: Build and publish a 🛢️ container
+
+on:
+  push:
+    paths-ignore:
+      - '.github/**'
+    branches:
+      - 'main'
+    tags:
+      - '*'
+
+jobs:
+  build-and-push-container:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: voxpupuli/gha-build-and-publish-a-container@v2
+        with:
+          registry_password: ${{ secrets.GITHUB_TOKEN }}
+          build_arch: linux/amd64,linux/arm64
+          buildfile: puppetserver/Dockerfile

.github/workflows/ci.yaml

@@ -0,0 +1,51 @@
+---
+
+on:
+  pull_request: {}
+  push:
+    branches:
+      - main
+
+name: CI
+
+jobs:
+  build_docker_image:
+    name: 'Built test Docker image'
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: 'puppetserver'
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Build Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: puppetserver
+          tags: 'ci/puppetserver:${{ github.sha }}'
+          push: false
+
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@master
+        with:
+          image-ref: 'ci/puppetserver:${{ github.sha }}'
+          format: 'sarif'
+          output: 'trivy-results.sarif'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@v2
+        with:
+          sarif_file: 'trivy-results.sarif'
+
+  tests:
+    needs:
+      - build_docker_image
+    runs-on: ubuntu-latest
+    name: Test suite
+    steps:
+      - run: echo Test suite completed