Tutorial: Build ASP.NET Core Identity Auth System with Supabase PostgreSQL

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A new tutorial published on DEV Community walks developers through building a complete authentication system using ASP.NET Core Identity on .NET 9. The guide demonstrates how to connect ASP.NET Identity to a free hosted PostgreSQL database provided by Supabase. It uses Entity Framework Core and the Npgsql library to manage the database integration. The tutorial covers both login and registration functionality in a step-by-step format. A companion video walkthrough is available on YouTube for developers who prefer visual learning.

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