diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..d8956bc
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,43 @@
+name: ci
+
+on:
+
+  pull_request:
+    branches:
+    - main
+
+jobs:
+  build-image:
+    runs-on: ubuntu-latest
+
+    container:
+      image: registry.gitlab.com/centos/cloud/sagano-builder/centos:stream9
+      options: --privileged
+
+    strategy:
+      matrix:
+        os: [centos, fedora]
+        tier: [tier-0, tier-1]
+        include:
+        - os: centos
+          version: stream9
+        - os: centos
+          variant: ""
+        - os: centos
+          variant: "-rt"
+        - os: fedora
+          version: eln
+        - os: fedora
+          variant: ""
+        - os: fedora
+          variant: "-dev"
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+
+      - name: Build
+        run: |
+          rpm-ostree compose image --format=ociarchive \
+          --initialize ${{ matrix.os }}-${{ matrix.tier }}${{ matrix.variant }}-${{ matrix.version }}.yaml \
+          dest.oci-archive