Create new services: inventory, recipes, suppliers

services/sales/app/core/config.py

@@ -47,6 +47,12 @@ class Settings(BaseServiceSettings):
     # Sales-specific cache TTL (5 minutes)
     SALES_CACHE_TTL: int = 300
     PRODUCT_CACHE_TTL: int = 600  # 10 minutes
+    
+    # Inter-service communication
+    INVENTORY_SERVICE_URL: str = Field(
+        default="http://inventory-service:8000",
+        env="INVENTORY_SERVICE_URL"
+    )
 
 
 # Global settings instance