diff --git a/healthcheck.sh b/healthcheck.sh
new file mode 100755
index 0000000..964e179
--- /dev/null
+++ b/healthcheck.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+# Healthy when the app prints its greeting.
+/app.sh | grep -q "release-please-rc-flow" && echo "healthy"