Lucia authentication in monorepo starter pack

Opionated minimal implementation of shared auth between multiple packages. Read more in article – Authentication in monorepo(NextJs, Astro) with Lucia and MongoDB

Project overview

• mysite.com – landing page built with Astro Publicly available Provides login/signup page Redirects authenticated users to app.mysite.com
• app.mysite.com – web application built with NextJs (app Router) Available only for authenticated users Provides sign-out feature Redirects unauthenticated users to mysite.com

Stack

• Astro
• NextJs (app router)
• Lucia-auth
• Mongoose
• TurboRepo
• npm
• dotenv

Monorepo structure

flowchart TB
auth-utils & web -->
db-utils
web & landing --->
auth-utils

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• db-utils - provide simple db methods to work with MongoDb. CreateUser, GetUser. These methods are used by auth-utils.
• auth-utils - provide methods to create users and user sessions. Used by web and landing
• web - web application, accessible only for authenticated users. Provides log-out function
• landing - public landing page. Provides logout and login form. Inaccessible for authenticated users