When running ASP.NET Core apps, the
WebHostBuilder will automatically attempt to determine which
environment it is running in. By convention, this will be one of
but you can set it to any string value you like.
This link will give you much information,
but if you use
IIS as proxy of ASP.NET CORE, you need to set the environment in web.config
<?xml version="1.0" encoding="utf-8"?> <configuration> <system.webServer> <handlers> <add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModule" resourceType="Unspecified" /> </handlers> <aspNetCore processPath="dotnet" arguments=".\Host.dll" stdoutLogEnabled="true" stdoutLogFile=".\logs\stdout" forwardWindowsAuthToken="false"> <environmentVariables> <environmentVariable name="ASPNETCORE_ENVIRONMENT" value="Development" /> </environmentVariables> </aspNetCore> </system.webServer> </configuration>
IOW, you need to add the following content to web.config
<environmentVariables> <environmentVariable name="ASPNETCORE_ENVIRONMENT" value="Development" /> </environmentVariables>
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