ASP.NET Core is a complete redesign of the previous web framework from Microsoft, called ASP.NET. It is built to run on multiple platforms – Windows, Mac, and Linux – and is lightweight, modular, and supports modern web application development.
System requirements
.NET Core 3.1
Let’s start by downloading .NET Core 3.1 from https://www.microsoft.com/net/download/. In our case, we’ll install the SDK version, which contains all the components that are required for our development environment, including ASP.NET Core.
Once .NET Core is installed on your machine, run the dotnet –help command.
dotnet --help
IDEs and development tools in ASP.NET Core
- Visual Studio 2019
- Visual Studio Code and OmniSharp
- Rider
- …
Setting up an ASP.NET Core project
Step 1 : Create a folder for your sample application called mkdir SampleAPI.
mkdir SampleAPI
Step 2 : Move into the new folder.
cd SampleAPI
Step 3 : Create a new web application based on the empty ASP.NET Core 3.1 web application template.
dotnet new webapi
Step 5 : Run the sample application by executing
dotnet run
Step 6 : Open a browser and go to https://localhost:5001/weatherforecast.
