From 78b7f1ddb8d448ead4e42b9a0a5aba38dccc78d4 Mon Sep 17 00:00:00 2001
From: Jeffrey Damick <jdamick@amazon.com>
Date: Tue, 28 Jan 2025 12:44:13 -0500
Subject: [PATCH] Force early cleanup of an instance when the instance list is
 re-sliced on Stop() & Restart() to prevent holding memory

Signed-off-by: Jeffrey Damick <jdamick@amazon.com>
---
 caddy.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/caddy.go b/caddy.go
index a868ae06df8..1d1667fb914 100644
--- a/caddy.go
+++ b/caddy.go
@@ -149,6 +149,7 @@ func (i *Instance) Stop() error {
 	instancesMu.Lock()
 	for j, other := range instances {
 		if other == i {
+			instances[j] = nil
 			instances = append(instances[:j], instances[j+1:]...)
 			break
 		}
@@ -502,6 +503,7 @@ func startWithListenerFds(cdyfile Input, inst *Instance, restartFds map[string][
 			instancesMu.Lock()
 			for i, otherInst := range instances {
 				if otherInst == inst {
+					instances[i] = nil
 					instances = append(instances[:i], instances[i+1:]...)
 					break
 				}