ci: publish as container image

Author: manusa

.github/workflows/release-image.yml

@@ -0,0 +1,64 @@
+name: Release as container image
+
+on:
+  push:
+    # TODO publish on tag
+    branches:
+      - main
+
+env:
+  IMAGE_NAME: quay.io/manusa/kubernetes_mcp_server
+  TAG: latest
+
+jobs:
+  publish-platform-images:
+    name: 'Publish: linux-${{ matrix.platform.tag }}'
+    strategy:
+      fail-fast: true
+      matrix:
+        platform:
+          - runner: ubuntu-latest
+            tag: amd64
+          - runner: ubuntu-24.04-arm
+            tag: arm64
+    runs-on: ${{ matrix.platform.runner }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install Podman # Not available in arm64 image
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y podman
+      - name: Quay Login
+        run: |
+          echo ${{ secrets.QUAY_PASSWORD }} | podman login quay.io -u ${{ secrets.QUAY_USERNAME }} --password-stdin
+      - name: Build Image
+        run: |
+          podman build \
+            --platform "linux/${{ matrix.platform.tag }}" \
+            -f Dockerfile \
+            -t "${{ env.IMAGE_NAME }}:${{ env.TAG }}-linux-${{ matrix.platform.tag }}" \
+            .
+      - name: Push Image
+        run: |
+          podman push \
+            "${{ env.IMAGE_NAME }}:${{ env.TAG }}-linux-${{ matrix.platform.tag }}"
+
+  publish-manifest:
+    name: Publish Manifest
+    runs-on: ubuntu-latest
+    needs: publish-platform-images
+    steps:
+      - name: Quay Login
+        run: |
+          echo ${{ secrets.QUAY_PASSWORD }} | podman login quay.io -u ${{ secrets.QUAY_USERNAME }} --password-stdin
+      - name: Create Manifest
+        run: |
+          podman manifest create \
+            "${{ env.IMAGE_NAME }}:${{ env.TAG }}" \
+            "${{ env.IMAGE_NAME }}:${{ env.TAG }}-linux-amd64" \
+            "${{ env.IMAGE_NAME }}:${{ env.TAG }}-linux-arm64"
+      - name: Push Manifest
+        run: |
+          podman manifest push \
+            "${{ env.IMAGE_NAME }}:${{ env.TAG }}"