diff --git a/.forgejo/workflows/build.yml b/.forgejo/workflows/build.yml
new file mode 100644
index 0000000..e982cca
--- /dev/null
+++ b/.forgejo/workflows/build.yml
@@ -0,0 +1,10 @@
+name: build docker image
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: https://github.com/docker/setup-buildx-action@v3