diff --git a/.dockerignore b/.dockerignore
index 5bb6d0a..ecd1c7d 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -14,4 +14,7 @@ tests
 coverage
 .vscode
 .idea
-supabase
+# Exclude Supabase local-dev assets (config, seed, snippets, templates) but
+# KEEP migrations — the runtime image's migration runner reads them.
+supabase/*
+!supabase/migrations