load dotenv everywhere it's needed; postgresql pool pre ping

app/db.py

@@ -18,5 +18,9 @@ elif DATABASE_URL and DATABASE_URL.startswith("postgres+"):
 if not DATABASE_URL:
     raise ValueError("DATABASE_URL environment variable is not set or empty.")
 
-engine = create_engine(DATABASE_URL)
+engine = create_engine(
+    DATABASE_URL,
+    pool_recycle=3600,
+    pool_pre_ping=True
+)
 SessionLocal = sessionmaker(bind=engine)

app/main.py

@@ -3,6 +3,7 @@ from fastapi import FastAPI, Depends, HTTPException
 from fastapi.middleware.cors import CORSMiddleware
 from strawberry import Schema
 from strawberry.fastapi import GraphQLRouter
+from dotenv import load_dotenv
 
 from auth import router as auth_router, get_user_by_id, get_current_user
 
@@ -22,6 +23,7 @@ Base.metadata.create_all(bind=engine)
 app = FastAPI()
 
 # 获取环境变量字符串，并转成列表
+load_dotenv()
 origins_str = os.getenv("CORS_ORIGINS", "http://localhost:3000")
 origins = [origin.strip() for origin in origins_str.split(",")]
 

app/utils/format.py

@@ -1,4 +1,7 @@
 import os
+from dotenv import load_dotenv
+
+load_dotenv()
 
 OSS_BASE_URL = os.getenv("OSS_BASE_URL", "").rstrip("/")
 

app/utils/s3.py

@@ -1,8 +1,9 @@
 import oss2
 import httpx
 import os
-import io
-from fastapi import HTTPException
+from dotenv import load_dotenv
+
+load_dotenv()
 
 # 加载配置
 ACCESS_KEY_ID = os.getenv("S3_ACCESS_KEY_ID")

auth/deps.py

@@ -1,11 +1,14 @@
 from fastapi import Request, HTTPException
 import os
+from dotenv import load_dotenv
+
 from .tokens import decode_token
 
+load_dotenv()
+
 JWT_SECRET = os.getenv("JWT_SECRET")
 JWT_ALGORITHM = os.getenv("JWT_ALGORITHM", "HS256")
 
-
 def get_current_user(request: Request):
     token = request.cookies.get("access_token")
 

auth/oauth/google.py

@@ -7,6 +7,7 @@ import os
 import secrets
 import json
 from urllib.parse import quote
+from dotenv import load_dotenv
 
 from auth.deps import get_current_user
 from app.db import SessionLocal
@@ -16,6 +17,8 @@ from app.utils.format import get_image_url
 
 router = APIRouter()
 
+load_dotenv()
+
 GOOGLE_CLIENT_ID = os.getenv("GOOGLE_CLIENT_ID")
 GOOGLE_CLIENT_SECRET = os.getenv("GOOGLE_CLIENT_SECRET")
 GOOGLE_REDIRECT_URI = os.getenv("GOOGLE_REDIRECT_URI")

auth/tokens.py

@@ -2,6 +2,9 @@ from datetime import datetime, timedelta, timezone
 import os
 import jwt
 from fastapi import HTTPException, status
+from dotenv import load_dotenv
+
+load_dotenv()
 
 JWT_SECRET = os.getenv("JWT_SECRET")
 JWT_ALGORITHM = os.getenv("JWT_ALGORITHM", "HS256")