diff --git a/.dockerignore b/.dockerignore
index db35487..7e19c98 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,6 +1,11 @@
 **/bin/
 **/obj/
-**/Data/
+# Keep Data/ source (DbContext, entities, migrations) — only drop runtime artifacts.
+**/Data/*.db
+**/Data/*.db-shm
+**/Data/*.db-wal
+**/Data/uploads/
+**/Data/keys/
 **/smoke-data/
 **/data/
 **/.vs/