In the previous chapter, we got the requirements and high level design of the Let's Chat web application. We got started with the Let's Chat web application by setting up project. We learned about the fundamental concepts of ASP.NET Core in the process. In this chapter, we will develop the Let's Chat web application and learn about a few more concepts of ASP.NET Core. We will cover the following topics in this chapter:

• ASP.NET Core 2.0 fundamentals
• Implementing authentication through Facebook