From d537c411c63e4db520a083c925cfe2c749fc8ed1 Mon Sep 17 00:00:00 2001
From: Neha Sherpa <nsherpa@squareup.com>
Date: Thu, 29 Jan 2026 11:29:32 -0800
Subject: [PATCH] fix: Add a basic liveness and readiness check

---
 cmd/cachewd/main.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/cmd/cachewd/main.go b/cmd/cachewd/main.go
index e5cf161..b0abe24 100644
--- a/cmd/cachewd/main.go
+++ b/cmd/cachewd/main.go
@@ -63,6 +63,17 @@ func main() {
 
 	mux := http.NewServeMux()
 
+	// Health check endpoints
+	mux.HandleFunc("GET /_liveness", func(w http.ResponseWriter, _ *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		_, _ = w.Write([]byte("OK")) //nolint:errcheck
+	})
+
+	mux.HandleFunc("GET /_readiness", func(w http.ResponseWriter, _ *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		_, _ = w.Write([]byte("OK")) //nolint:errcheck
+	})
+
 	scheduler := jobscheduler.New(ctx, cli.SchedulerConfig)
 
 	err := config.Load(ctx, cr, cli.Config, scheduler, mux, parseEnvars())