> ## Documentation Index > Fetch the complete documentation index at: https://docs.shipkit.app/llms.txt > Use this file to discover all available pages before exploring further. # Lucia Lucia Lucia offers a straightforward authentication solution within ShipKit, allowing you to easily implement user authentication and session management. It's designed for developers looking for a lightweight, yet secure authentication system that integrates seamlessly with various frameworks. ## Lucia config The config for Lucia is located at `src/core/auth/server/lucia.ts`.