diff --git a/.forgejo/workflows/test.yml b/.forgejo/workflows/test.yml
new file mode 100644
index 0000000..d7d0dd4
--- /dev/null
+++ b/.forgejo/workflows/test.yml
@@ -0,0 +1,27 @@
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: docker
+    container:
+      image: git.agaric.com/agaric/deploycontainer:0.0.5
+    env:
+      COMPOSER_IGNORE_PLATFORM_REQS: 1
+      COMPOSER_ARGS: "install --no-dev --no-progress --no-interaction --no-scripts --optimize-autoloader"
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+      - name: inspect environment
+        shell: "bash --noprofile --norc -exo pipefail {0}"
+        run: |
+          env
+          jq . - <<'EOF'
+          ${{ toJSON(github) }}
+          EOF
+          jq . - <<'EOF'
+          ${{ toJSON(forge) }}
+          EOF
+          jq . - <<'EOF'
+          ${{ toJSON(secrets) }}
+          EOF