From 05fe53a25e12c79b264f5b0dda8ca9e6f8d483d8 Mon Sep 17 00:00:00 2001
From: Luc Heinrich <luc@honk-honk.com>
Date: Mon, 13 Feb 2017 00:51:55 +0100
Subject: [PATCH] Explicitely but gracefully handle SIGINT and SIGTERM signals.

Fixes #557.
---
 bin/webpack-dev-server.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/bin/webpack-dev-server.js b/bin/webpack-dev-server.js
index d3352b0aa2..6095edeb7d 100755
--- a/bin/webpack-dev-server.js
+++ b/bin/webpack-dev-server.js
@@ -386,6 +386,14 @@ function startDevServer(wpOpt, options) {
 		throw e;
 	}
 
+	["SIGINT", "SIGTERM"].forEach(function(sig) {
+		process.on(sig, function() {
+			console.log(`Gracefully shutting down server after ${sig}...`);
+			server.close();
+			process.exit();  // eslint-disable-line no-process-exit
+		});
+	});
+
 	if(options.socket) {
 		server.listeningApp.on("error", function(e) {
 			if(e.code === "EADDRINUSE") {