add publish CI

.github/workflows/publish-images.yaml

@@ -0,0 +1,55 @@
+name: Publish Images
+
+on:
+  push:
+    branches:
+      - main
+      - 'release-[0-9]+.[0-9]+'
+  # TODO: remove before merge
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    permissions:
+      contents: read  # for actions/checkout to fetch code
+    name: Unit Tests & Code Quality
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Harden Runner
+        uses: step-security/harden-runner@v2
+        with:
+          egress-policy: audit
+      - name: Determine branch
+        id: determine
+        env:
+          BRANCH: ${{ github.ref }}
+        run: |
+          BRANCH=${BRANCH#refs/heads/}  # strip off refs/heads/ if it exists
+          if [[ "${BRANCH}" == "main" ]]; then
+            echo "version=latest" >> "$GITHUB_OUTPUT"
+          elif [[ "${BRANCH}" =~ ^release-[0-9]+\.[0-9]+$ ]]; then
+            echo "version=v${BRANCH#release-}" >> "$GITHUB_OUTPUT"
+          else
+            # TODO: Remove before merge, only for testing
+            echo "Use Branch ${BRANCH} only for testing."
+            echo "version=latest" >> "$GITHUB_OUTPUT"
+            exit 1
+          fi
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Build bootstrap provider image
+        run: BOOTSTRAP_IMAGE_TAG=${{ steps.determine.outputs.version }} docker-build-bootstrap
+
+      - name: Build controlplane provider image
+        run: CONTROLPLANE_IMAGE_TAG=${{ steps.determine.outputs.version }} docker-build-bootstrap
+
+      - name: Publish bootstrap provider image
+        run: BOOTSTRAP_IMAGE_TAG=${{ steps.determine.outputs.version }} docker-publish-bootstrap
+
+      - name: Publish controlplane provider image
+        run: CONTROLPLANE_IMAGE_TAG=${{ steps.determine.outputs.version }} docker-publish-controlplane