Catch SIGTERM to ensure graceful container stopping

Author: itzg

cmd/mc-router/main.go

@@ -12,6 +12,7 @@ import (
 	"runtime/pprof"
 	"strconv"
 	"strings"
+	"syscall"
 )
 
 var (
@@ -59,7 +60,7 @@ func main() {
 	ctx, cancel := context.WithCancel(context.Background())
 
 	c := make(chan os.Signal, 1)
-	signal.Notify(c, os.Interrupt)
+	signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
 
 	server.Routes.RegisterAll(parseMappings(*mappings))