diff --git a/README.md b/README.md
index a27b653..70a5454 100644
--- a/README.md
+++ b/README.md
@@ -161,6 +161,14 @@ disnixos-manifest -s services.nix -n network-virtualbox.nix -d distribution.nix
 disnix-visualize /nix/store/cjiw9s257dpnvss2v6wm5a0iqx936hpq-manifest.xml | dot -Tpng > dot.png
 ```
 
+### Test Hercules CI locally
+
+```bash
+NIX_PATH="" nix-instantiate default.nix
+```
+
+See https://docs.hercules-ci.com/hercules-ci/getting-started/repository for more info.
+
 # TODOs
 
 Todos, in rough order of highest to lowest priority.
diff --git a/ci.nix b/ci.nix
new file mode 100644
index 0000000..dc8e079
--- /dev/null
+++ b/ci.nix
@@ -0,0 +1,10 @@
+{
+  herculesCI = {...}: {
+    onPush.default = {
+      outputs = {...}: {
+        unit = (import ./default.nix {}).tests.unit;
+        integration = (import ./default.nix {}).tests.integration;
+      };
+    };
+  };
+}