Feature: Centralized Configuration Management with Pydantic and python-dotenv

.env

@@ -0,0 +1,4 @@
+APP_NAME="ChainReport API"
+DEBUG=True
+API_V1_PREFIX="/api/v1"
+DATABASE_URL="sqlite:///./sql_app.db"

backend/app/core/config.py

@@ -0,0 +1,13 @@
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    APP_NAME: str = "ChainReport API"
+    DEBUG: bool = False
+    API_V1_PREFIX: str = "/api/v1"
+    DATABASE_URL: str = "sqlite:///./sql_app.db"
+
+    model_config = SettingsConfigDict(env_file=".env")
+
+
+settings = Settings()

backend/main.py

@@ -1,6 +1,11 @@
+from dotenv import load_dotenv
+
+load_dotenv()
+
 from fastapi import FastAPI
+from app.core.config import settings
 
-app = FastAPI()
+app = FastAPI(title=settings.APP_NAME, debug=settings.DEBUG)
 
 @app.get("/health")
 async def health_check():

requirements.txt

@@ -2,3 +2,5 @@ fastapi
 uvicorn
 pydantic
 aiofiles
+python-dotenv
+pydantic-settings