From 2ad8eebd418d5c755da2ab49e9debb88bdb514a6 Mon Sep 17 00:00:00 2001
From: Simon Li <orpheus+devel@gmail.com>
Date: Fri, 13 Oct 2023 00:14:25 +0100
Subject: [PATCH] ubuntu 18.04: warn about r2d build being frozen in time

---
 docs/source/howto/breaking_changes.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/source/howto/breaking_changes.md b/docs/source/howto/breaking_changes.md
index 7b16ea3f..80ab1ed0 100644
--- a/docs/source/howto/breaking_changes.md
+++ b/docs/source/howto/breaking_changes.md
@@ -21,3 +21,6 @@ As a last resort you can install an older version of repo2docker locally, build
 ```dockerfile
 FROM <registry>/<username>/<image>:<tag>
 ```
+
+This image will contain a frozen version of your repository at the time the image was built.
+You will need to rebuild and push it everytime your repository is modified.