Change repo for .NET 5.0+ (#1977)

src/configureWorkspace/configureDotNetCore.ts

@@ -34,18 +34,19 @@ import { ScaffolderContext, ScaffoldFile } from './scaffolding';
 // This file handles both ASP.NET core and .NET Core Console
 
 // .NET Core 1.0 - 2.0 images are published to Docker Hub Registry.
-const LegacyAspNetCoreRuntimeImageFormat = "microsoft/aspnetcore:{0}.{1}{2}";
-const LegacyAspNetCoreSdkImageFormat = "microsoft/aspnetcore-build:{0}.{1}{2}";
-const LegacyDotNetCoreRuntimeImageFormat = "microsoft/dotnet:{0}.{1}-runtime{2}";
-const LegacyDotNetCoreSdkImageFormat = "microsoft/dotnet:{0}.{1}-sdk{2}";
+const LegacyAspNetCoreRuntimeImageFormat = "microsoft/aspnetcore:{1}.{2}{3}";
+const LegacyAspNetCoreSdkImageFormat = "microsoft/aspnetcore-build:{1}.{2}{3}";
+const LegacyDotNetCoreRuntimeImageFormat = "microsoft/dotnet:{1}.{2}-runtime{3}";
+const LegacyDotNetCoreSdkImageFormat = "microsoft/dotnet:{1}.{2}-sdk{3}";
 
 // .NET Core 2.1+ images are now published to Microsoft Container Registry (MCR).
+// .NET Core 5.0+ images do not have "core/" in the name.
 // https://hub.docker.com/_/microsoft-dotnet-core-runtime/
-const DotNetCoreRuntimeImageFormat = "mcr.microsoft.com/dotnet/core/runtime:{0}.{1}{2}";
+const DotNetCoreRuntimeImageFormat = "mcr.microsoft.com/dotnet/{0}runtime:{1}.{2}{3}";
 // https://hub.docker.com/_/microsoft-dotnet-core-aspnet/
-const AspNetCoreRuntimeImageFormat = "mcr.microsoft.com/dotnet/core/aspnet:{0}.{1}{2}";
+const AspNetCoreRuntimeImageFormat = "mcr.microsoft.com/dotnet/{0}aspnet:{1}.{2}{3}";
 // https://hub.docker.com/_/microsoft-dotnet-core-sdk/
-const DotNetCoreSdkImageFormat = "mcr.microsoft.com/dotnet/core/sdk:{0}.{1}{2}";
+const DotNetCoreSdkImageFormat = "mcr.microsoft.com/dotnet/{0}sdk:{1}.{2}{3}";
 
 function GetWindowsImageTag(): string {
     // The host OS version needs to match the version of .NET core images being created
@@ -69,9 +70,10 @@ function GetWindowsImageTag(): string {
 
 function formatVersion(format: string, version: string, tagForWindowsVersion: string): string {
     let asSemVer = new semver.SemVer(version);
-    return format.replace('{0}', asSemVer.major.toString())
-        .replace('{1}', asSemVer.minor.toString())
-        .replace('{2}', tagForWindowsVersion);
+    return format.replace('{0}', asSemVer.major >= 5 ? '' : 'core/')
+        .replace('{1}', asSemVer.major.toString())
+        .replace('{2}', asSemVer.minor.toString())
+        .replace('{3}', tagForWindowsVersion);
 }
 
 // #region ASP.NET Core templates