From 5b1e68c8c296169774cab64bf6485607dd7a3bb6 Mon Sep 17 00:00:00 2001
From: Patrik Oldsberg <poldsberg@gmail.com>
Date: Mon, 16 Dec 2024 10:47:51 +0100
Subject: [PATCH] backend-defaults: immediately close connections on shutdown
 in local dev

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
---
 .changeset/bright-boats-dream.md                            | 5 +++++
 .../src/entrypoints/rootHttpRouter/http/createHttpServer.ts | 6 ++++++
 2 files changed, 11 insertions(+)
 create mode 100644 .changeset/bright-boats-dream.md

diff --git a/.changeset/bright-boats-dream.md b/.changeset/bright-boats-dream.md
new file mode 100644
index 0000000000..580a334a93
--- /dev/null
+++ b/.changeset/bright-boats-dream.md
@@ -0,0 +1,5 @@
+---
+'@backstage/backend-defaults': patch
+---
+
+Immediately close all connections when shutting down in local development.
diff --git a/packages/backend-defaults/src/entrypoints/rootHttpRouter/http/createHttpServer.ts b/packages/backend-defaults/src/entrypoints/rootHttpRouter/http/createHttpServer.ts
index 9449291628..fbb6ac5805 100644
--- a/packages/backend-defaults/src/entrypoints/rootHttpRouter/http/createHttpServer.ts
+++ b/packages/backend-defaults/src/entrypoints/rootHttpRouter/http/createHttpServer.ts
@@ -53,6 +53,12 @@ export async function createHttpServer(
 
     stop() {
       return new Promise<void>((resolve, reject) => {
+        if (process.env.NODE_ENV === 'development') {
+          // Ensure that various polling connections are shut down fast in development
+          server.closeAllConnections();
+        } else {
+          server.closeIdleConnections();
+        }
         server.close(error => {
           if (error) {
             reject(error);