首个可运行的版本

backend/app/config.py

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+"""应用配置 - 通过环境变量读取"""
+
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    # 数据库
+    DATABASE_URL: str = "postgresql+asyncpg://qingye:qingye_secret@postgres:5432/qingye"
+
+    # Redis
+    REDIS_URL: str = "redis://redis:6379/0"
+
+    # JWT
+    JWT_SECRET_KEY: str = "qingye-jwt-secret-change-in-production"
+    JWT_REFRESH_SECRET_KEY: str = "qingye-refresh-secret-change-in-production"
+    JWT_ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
+    JWT_REFRESH_TOKEN_EXPIRE_DAYS: int = 7
+
+    # CORS
+    CORS_ORIGINS: str = "http://localhost:5173"
+
+    # 管理员默认密码
+    ADMIN_PASSWORD: str = "admin123"
+
+    # 上传
+    MAX_UPLOAD_SIZE_MB: int = 10
+    UPLOAD_DIR: str = "/app/uploads"
+
+    model_config = {"env_file": ".env", "extra": "ignore"}
+
+
+settings = Settings()