diff --git a/internal/healthcheck.go b/internal/healthcheck.go
new file mode 100644
index 0000000..9118c3d
--- /dev/null
+++ b/internal/healthcheck.go
@@ -0,0 +1,8 @@
+package internal
+
+// Healthy reports whether the service considers itself ready to serve
+// traffic. This demo service has no external dependencies, so it is always
+// healthy once the process is up.
+func Healthy() bool {
+	return true
+}