From 17924e7bb66c7cc6b2e4bbc2190105ec7fcf89ab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakub=20Soko=C5=82owski?= <jakub@status.im>
Date: Fri, 15 Jun 2018 17:07:48 +0200
Subject: [PATCH] add basic healthcheck

---
 stats.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/stats.go b/stats.go
index 17b3e3e..b9ae146 100644
--- a/stats.go
+++ b/stats.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"log"
 	"net/http"
 	"time"
@@ -36,10 +37,17 @@ func init() {
 type Stats struct {
 }
 
+// For verifying the service is up
+func healthHandler(w http.ResponseWriter, r *http.Request) {
+	fmt.Fprintf(w, "OK")
+}
+
 // NewStats returns new empty Stats object.
 func NewStats(statsPort string) *Stats {
 	go func() {
 		http.Handle("/metrics", promhttp.Handler())
+		// Add most trivial healthcheck
+		http.HandleFunc("/health", healthHandler)
 		log.Fatal(http.ListenAndServe(statsPort, nil))
 	}()
 	return &Stats{}