diff --git a/.dockerignore b/.dockerignore
index 97cbe46..fd2540f 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -14,8 +14,9 @@ docs/credentials/
 Thumbs.db
 .DS_Store
 
-# Docker (avoid recursive copy)
+# Docker (avoid recursive copy, but keep php.ini for build)
 docker/
+!docker/php.ini
 
 # Documentation (not needed in image)
 CLAUDE.md