CODEWITHSUNDEEP
asp.net-corepublishasp.net-core-2.1
TheDoomDestroyer
TheDoomDestroyer

Reputation: 3085

Unable to change environment variable

I am having trouble changing the publish variable within web.config because it amounts to nothing.

Once I set the variable in web.config to Development, for example, when I launch the application, it still says that the environment variable is Production.

enter image description here

As you can see below, the web.config states that I have set the variable to Development.

enter image description here

I am out of ideas and genuinely unsure whether variables can be set this way anymore.

Upvotes: 2

Views: 910

Answers (1)

poke
poke

Reputation: 388303

Looking at your first screenshot, it looks like you are running your application from the command line, probably using dotnet run. In this case, you should note that the web.config is completely ignored.

The web.config is only to configure IIS for when you actually deploy your application on IIS. If you run it in any other way, the web.config is not being used and you will have to configure the environment in a different way.

If you want to run the application from the command line, you can set the environment variable using set:

set ASPNETCORE_ENVIRONMENT=Development
dotnet run

If you use a standard ASP.NET Core template, there should also be a launchSettings.json file which configures the default launch settings. If you specify the environment there, dotnet run will automatically pick it up when you run the application from the application’s root directory.

Upvotes: 1

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