diff --git a/.forgejo/actions/build-image.yml b/.forgejo/actions/build-image.yml
new file mode 100644
index 0000000..a56324d
--- /dev/null
+++ b/.forgejo/actions/build-image.yml
@@ -0,0 +1,12 @@
+jobs:
+  build-image:
+    runs-on: ubuntu-latest
+    container:
+      image: catthehacker/ubuntu:act-latest
+    steps:
+      # ...
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          push: true
+          tags: git.pub.solar/pub-solar/mediawiki-oidc-docker:1.40.1