From 407c8b834ec8c8e31dc24da88129597f643d069b Mon Sep 17 00:00:00 2001
From: Jeremy Daer <jeremy@37signals.com>
Date: Tue, 10 Dec 2024 15:57:30 -0800
Subject: [PATCH] Simplify hostname trimming. References #762.

---
 lib/kamal/cli/app/boot.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/kamal/cli/app/boot.rb b/lib/kamal/cli/app/boot.rb
index 41db39a6..8ddcaac3 100644
--- a/lib/kamal/cli/app/boot.rb
+++ b/lib/kamal/cli/app/boot.rb
@@ -45,7 +45,7 @@ def old_version_renamed_if_clashing
 
     def start_new_version
       audit "Booted app version #{version}"
-      hostname = "#{host.to_s[0...51].gsub(/\.+$/, '')}-#{SecureRandom.hex(6)}"
+      hostname = "#{host.to_s[0...51].chomp(".")}-#{SecureRandom.hex(6)}"
 
       execute *app.ensure_env_directory
       upload! role.secrets_io(host), role.secrets_path, mode: "0600"