in composer_local_dev/environment.py [0:0]
def create_database_files(self):
db_extras = self.database_extras
db_mounts = db_extras["mounts"]
for host_path in db_mounts['files'].keys():
files.create_empty_file(host_path, skip_if_exist=False)
for host_path in db_mounts['folders'].keys():
files.create_empty_folder(host_path)