'IHostingEnvironment' is obsolete

.net-core, asp.net-core, asp.net-core-3.0

Solution

It seems `IHostingEnvironment` has been replaced by `IHostEnvironment` (and a few others). You should be able to change the interface type in your code and everything will work as it used to :-)

You can find more information about the changes at this link on GitHub https://github.com/aspnet/AspNetCore/issues/7749

EDIT There is also an additional interface `IWebHostEnvironment` that can be used in ASP.NET Core applications. This is available in the `Microsoft.AspNetCore.Hosting` namespace.

Problem

I updated my ASP.NET Core project to .NET Core v3.0.0-preview3, and I now get: Startup.cs(75,50,75,69): warning CS0618: 'IHostingEnvironment' is obsolete: 'This type is obsolete and will be removed in a future version. The recommended alternative is Microsoft.AspNetCore.Hosting.IWebHostEnvironment.' The code is: ``` public void Configure(IApplicationBuilder app, IHostingEnvironment env) { if (env.IsDevelopment()) { … } } ``` What is the correct way to do this now? Are there any documentation or examples to demonstrate that?

Original source