get-started: update .net guide (#18184)

* update dotnet guide

Signed-off-by: Craig Osterhout <[email protected]>

content/language/dotnet/_index.md

@@ -1,24 +1,21 @@
 ---
-description: Containerize .NET apps using Docker
-keywords: Docker, getting started, .net, language
-title: What will you learn in this module?
+description: Containerize and develop .NET apps using Docker
+keywords: getting started, .net
+title: .NET language-specific guide
 toc_min: 1
 toc_max: 2
 ---
 
 The .NET getting started guide teaches you how to create a containerized .NET application using Docker. In this guide, you'll learn how to:
 
-* Create a sample .NET application
-* Create a new Dockerfile which contains instructions required to build a .NET image
-* Build an image and run the newly built image as a container
-* Set up volumes and networking
-* Orchestrate containers using Compose
-* Use containers for development
-* Configure a CI/CD pipeline for your application using GitHub Actions
+* Containerize and run a .NET application
+* Set up a local environment to develop a .NET application using containers
+* Run tests for a .NET application using containers
+* Configure a CI/CD pipeline for a containerized .NET application using GitHub Actions
 * Deploy your application to the cloud
 
 After completing the .NET getting started modules, you should be able to containerize your own .NET application based on the examples and instructions provided in this guide.
 
-Let's get started!
+Start by containerizing an existing .NET application.
 
-{{< button text="Build your first .NET image" url="build-images.md" >}}
+{{< button text="Containerize a .NET app" url="containerize.md" >}}