Gracefully stops on SIGTERM

commands.go

@@ -223,7 +223,7 @@ func makeShutdownCh() <-chan struct{} {
 	resultCh := make(chan struct{})
 
 	signalCh := make(chan os.Signal, 4)
-	signal.Notify(signalCh, os.Interrupt)
+	signal.Notify(signalCh, interruptSignals...)
 	go func() {
 		for {
 			<-signalCh

signal_unix.go

@@ -0,0 +1,10 @@
+// +build !windows
+
+package main
+
+import (
+	"os"
+	"syscall"
+)
+
+var interruptSignals []os.Signal = []os.Signal{os.Interrupt, syscall.SIGTERM}

signal_windows.go

@@ -0,0 +1,9 @@
+// +build windows
+
+package main
+
+import (
+	"os"
+)
+
+var interruptSignals []os.Signal = []os.Signal{os.Interrupt}