From b2d2a254d76c567aaf11c13be772532011b46002 Mon Sep 17 00:00:00 2001
From: dhh <david@loudthinking.com>
Date: Sat, 16 Sep 2023 11:05:47 -0700
Subject: [PATCH] Fix env validation

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

diff --git a/lib/kamal/configuration.rb b/lib/kamal/configuration.rb
index b60bb677..217c47c4 100644
--- a/lib/kamal/configuration.rb
+++ b/lib/kamal/configuration.rb
@@ -199,7 +199,7 @@ class Kamal::Configuration
 
   # Will raise KeyError if any secret ENVs are missing
   def ensure_env_available
-    roles.each(&:env_file)
+    roles.collect(&:env_file).each(&:to_s)
 
     true
   end