"""Configuration for the inventory backend.

DATA_DIR selects which dataset the API serves:
- local dev / tests: small real-schema samples (default) or a fixture dir
- container image: the full scunpacked dataset downloaded at build time
"""
import os

_APP_DIR = os.path.dirname(os.path.abspath(__file__))
_BACKEND_DIR = os.path.dirname(_APP_DIR)

DATA_DIR = os.environ.get("DATA_DIR", os.path.join(_BACKEND_DIR, "data", "samples"))