Authenticating users in Astro using Neon Postgres and Lucia Auth

This comprehensive guide walks through the process of building user authentication in an Astro application using Lucia Auth and Neon Postgres. Key steps include provisioning a serverless Postgres database, creating the Astro application, adding Tailwind CSS, enabling server-side rendering with Vercel, setting up database connections and schemas, integrating Lucia Auth, defining routes, building authentication logic, and deploying to Vercel. By the end, you'll be able to authenticate users and protect routes in your Astro app.