From 6e081e3694f0e36f38d2c05a2559d4f7fbfbba8f Mon Sep 17 00:00:00 2001
From: Joe Groocock <me@frebib.net>
Date: Wed, 12 Sep 2018 12:33:50 +0100
Subject: [PATCH] Add bug tracking COPY with setuid bit

https://github.com/moby/moby/issues/37830
[CI SKIP]
---
 Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Dockerfile b/Dockerfile
index 3781c45..372bd39 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -159,6 +159,7 @@ SHELL ["/bin/sh", "-exc"]
 
 COPY --from=builder /output/ /
 # Workaround for Docker bug (not retaining setuid bit)
+# https://github.com/moby/moby/issues/37830
 RUN chmod 4755 usr/bin/ping usr/bin/su
 
 ENV ENV="/etc/profile"