config.json

{
  "some_setting": "value",
  "another_setting": 123,
  "database": {
    "type": "ENV_Alist_DB_TYPE",
    "host": "ENV_Alist_DB_HOST",
    "port": ENV_Alist_DB_PORT, 
    "user": "ENV_Alist_DB_USER",
    "password": "ENV_Alist_DB_PASSWORD",
    "name": "ENV_Alist_DB_NAME"
  }
}