Add /up health check

mat · Nov 3, 2024 · c64b8f4 · c64b8f4
1 parent 934829e
commit c64b8f4
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/besticon/iconserver/server.go b/besticon/iconserver/server.go
@@ -297,6 +297,7 @@ func startServer(port string, address string) {
 	registerHandler("/icon", s.iconHandler)
 	registerHandler("/allicons.json", s.alliconsHandler)
 	registerHandler("/lettericons/", s.lettericonHandler)
+	registerHandler("/up", s.upHandler)
 
 	disableBrowsePages := getTrueFromEnv("DISABLE_BROWSE_PAGES")
 
@@ -420,6 +421,12 @@ func registerHandler(path string, f http.HandlerFunc) {
 	http.Handle(path, newPrometheusHandler(path, f))
 }
 
+// /up is a simple health check endpoint (used by kamal deploy)
+func (s *server) upHandler(w http.ResponseWriter, r *http.Request) {
+	w.WriteHeader(http.StatusOK)
+	w.Write([]byte("OK"))
+}
+
 func main() {
 	fmt.Printf("iconserver %s (%s) (%s) - https://github.com/mat/besticon\n", besticon.VersionString, besticon.BuildDate, runtime.Version())
 	port := os.Getenv("PORT")