diff --git a/.cloudbuild/hello.sh b/.cloudbuild/hello.sh
new file mode 100755
index 00000000..9b1a0dc3
--- /dev/null
+++ b/.cloudbuild/hello.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+set -eo pipefail
+
+gem install toys
+toys --help
diff --git a/.cloudbuild/hello.yaml b/.cloudbuild/hello.yaml
new file mode 100644
index 00000000..20583db2
--- /dev/null
+++ b/.cloudbuild/hello.yaml
@@ -0,0 +1,3 @@
+steps:
+  - name: "ruby:3.0"
+    entrypoint: ".cloudbuild/hello.sh"