feat: backend FastAPI Smart App City — auth JWT, IoT, GIS, notifications, reporting

smart-app-city/backend/app/config.py

@@ -0,0 +1,30 @@
+"""Application configuration via pydantic-settings."""
+
+from pydantic_settings import BaseSettings, SettingsConfigDict
+from typing import List
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8", extra="ignore")
+
+    # Database
+    DATABASE_URL: str = "postgresql+asyncpg://lakehouse:lakehouse123@postgres-meta/lakehouse_meta"
+
+    # Redis
+    REDIS_URL: str = "redis://redis:6379/0"
+
+    # JWT
+    JWT_SECRET: str = "CHANGE_ME_IN_PRODUCTION"
+    JWT_ALGORITHM: str = "HS256"
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
+    REFRESH_TOKEN_EXPIRE_DAYS: int = 7
+
+    # MQTT
+    MQTT_BROKER: str = "smart-city-digital-twin-martinique-mosquitto-1"
+    MQTT_PORT: int = 1883
+
+    # CORS
+    CORS_ORIGINS: List[str] = ["*"]
+
+
+settings = Settings()