diff --git a/backend/app/config.py b/backend/app/config.py
new file mode 100644
index 0000000..0dd6bea
--- /dev/null
+++ b/backend/app/config.py
@@ -0,0 +1,23 @@
+"""Application configuration."""
+import os
+from typing import Optional
+
+class Settings:
+    """Application settings."""
+    
+    PROJECT_NAME: str = "FreeTable"
+    VERSION: str = "1.0.0"
+    API_V1_STR: str = "/api/v1"
+    
+    # Database
+    DATABASE_URL: str = os.getenv("DATABASE_URL", "sqlite:///./freetable.db")
+    
+    # Security
+    SECRET_KEY: str = os.getenv("SECRET_KEY", "changeme-in-production")
+    ALGORITHM: str = "HS256"
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 30
+    
+    # CORS
+    BACKEND_CORS_ORIGINS: list[str] = ["http://localhost:5173", "http://localhost:3000"]
+
+settings = Settings()