Step-by-step guide to building user authentication in an Astro application using Lucia Auth and Neon Serverless Postgres. Covers provisioning a Neon database, setting up the database schema with user and session tables, configuring Lucia Auth with a PostgreSQL adapter, building sign-up/sign-in/sign-out API routes and HTML pages, protecting routes from unauthenticated access, and deploying the finished app to Vercel.

14m read timeFrom neon.com
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Table of contents
PrerequisitesStepsProvisioning a Serverless Postgres powered by NeonCreate a new Astro applicationAdd Tailwind CSS to the applicationEnabling Server Side Rendering in Astro with VercelSetting up a Postgres Database Connection and SchemaSetup Lucia Auth with Neon PostgresDefine the Astro application routesBuild the User Authentication RoutesDeploy to VercelSummary & Final Thoughts