feat: Add Auth Service with JWT authentication

services/auth-service/config.py

@@ -0,0 +1,35 @@
+"""
+Auth Service Configuration
+"""
+from pydantic_settings import BaseSettings
+from functools import lru_cache
+
+
+class Settings(BaseSettings):
+    # Service
+    service_name: str = "auth-service"
+    service_version: str = "1.0.0"
+    port: int = 7020
+    debug: bool = False
+
+    # Database
+    database_url: str = "postgresql://postgres:postgres@localhost:5432/daarion"
+
+    # JWT
+    jwt_secret: str = "your-very-long-secret-key-change-in-production"
+    jwt_algorithm: str = "HS256"
+    access_token_ttl: int = 1800  # 30 minutes
+    refresh_token_ttl: int = 604800  # 7 days
+
+    # Security
+    bcrypt_rounds: int = 12
+
+    class Config:
+        env_prefix = "AUTH_"
+        env_file = ".env"
+
+
+@lru_cache()
+def get_settings() -> Settings:
+    return Settings()
+