[FIX] Clear cache at startup

backend/entrypoint.sh

@@ -7,7 +7,7 @@ python manage.py showmigrations | tee /logs/show_migrate.log
 python manage.py migrate | tee /logs/command_migrate.log
 python manage.py showmigrations | tee /logs/show_migrate.log
 python manage.py build_similarity_index 2>&1 | tee /logs/command_build_similarity_index.log
-
+python manage.py clear_cache
 python manage.py createadmin -u $ADMIN_USERNAME $ADMIN_EMAIL 2>&1 | tee /logs/command_createadmin.log
 
 echo "Running backend server..."