diff --git a/.dockerignore b/.dockerignore
index 076f176..4fea5de 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -3,3 +3,7 @@
 __pycache__/
 *.pyc
 .env
+disc_images/
+# NOTE: do NOT exclude webstore/ — main.py mounts /store from it (the 3D virtual store).
+# Only disc_images/ (~900MB, volume-mounted at runtime) is worth excluding from the build context.
+*.md