init test commit

trade-hub/backend/app/config.py

@@ -0,0 +1,12 @@
+"""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"))