Update to 6.0 RC2.

Directory.Build.props

@@ -20,7 +20,7 @@
     <!-- Lots of our dependencies are not strong-named -->
     <NoWarn>$(NoWarn);8002</NoWarn>
     <Nullable>enable</Nullable>
-    <LangVersion>8.0</LangVersion>
+    <LangVersion>10.0</LangVersion>
   </PropertyGroup>
 
   <Import Project="$(RepoRoot)test\Test.Infrastructure\Microsoft.AspNetCore.Testing.props" Condition=" '$(IsTestProject)' == 'true' " />

eng/common/dotnet-install.sh

@@ -52,7 +52,7 @@ done
 # Use uname to determine what the CPU is, see https://en.wikipedia.org/wiki/Uname#Examples
 cpuname=$(uname -m)
 case $cpuname in
-  aarch64)
+  aarch64|arm64)
     buildarch=arm64
     ;;
   amd64|x86_64)

eng/common/tools.ps1

@@ -560,7 +560,7 @@ function InitializeBuildTool() {
       ExitWithExitCode 1
     }
     $dotnetPath = Join-Path $dotnetRoot (GetExecutableFileName 'dotnet')
-    $buildTool = @{ Path = $dotnetPath; Command = 'msbuild'; Tool = 'dotnet'; Framework = 'netcoreapp3.1' }
+    $buildTool = @{ Path = $dotnetPath; Command = 'msbuild'; Tool = 'dotnet'; Framework = 'net6.0' }
   } elseif ($msbuildEngine -eq "vs") {
     try {
       $msbuildPath = InitializeVisualStudioMSBuild -install:$restore

eng/common/tools.sh

@@ -306,7 +306,7 @@ function InitializeBuildTool {
   # return values
   _InitializeBuildTool="$_InitializeDotNetCli/dotnet"
   _InitializeBuildToolCommand="msbuild"
-  _InitializeBuildToolFramework="netcoreapp3.1"
+  _InitializeBuildToolFramework="net6.0"
 }
 
 # Set RestoreNoCache as a workaround for https://github.com/NuGet/Home/issues/3116

global.json

@@ -1,12 +1,12 @@
 {
   "tools": {
-    "dotnet": "6.0.100-preview.6.21355.2",
+    "dotnet": "6.0.100-rc.2.21505.57",
     "runtimes": {
       "dotnet": [
-        "3.1.14"
+        "6.0.0-rc.2.21480.5"
       ],
       "aspnetcore": [
-        "3.1.14"
+        "6.0.0-rc.2.21480.10"
       ]
     }
   },

src/Microsoft.Tye.Core/ConfigModel/ConfigApplication.cs

@@ -144,7 +144,8 @@ namespace Microsoft.Tye.ConfigModel
                 foreach (var probe in probes)
                 {
                     context = new ValidationContext(probe.Probe!);
-                    if (!Validator.TryValidateObject(probe.Probe, context, results, validateAllProperties: true))
+                    // TODO: Investigate possible null.
+                    if (!Validator.TryValidateObject(probe.Probe!, context, results, validateAllProperties: true))
                     {
                         throw new TyeYamlException(
                             $"Probe '{probe.Name}' in service '{service.Name}' validation failed." + Environment.NewLine +

src/Microsoft.Tye.Core/Microsoft.Tye.Core.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>Tye</RootNamespace>
     <AssemblyName>Microsoft.Tye.Core</AssemblyName>
     <PackageId>Microsoft.Tye.Core</PackageId>

src/Microsoft.Tye.Extensions/Microsoft.Tye.Extensions.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

src/Microsoft.Tye.Hosting.Diagnostics/Microsoft.Tye.Hosting.Diagnostics.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <Description>Diagnostics collector and exporter for .NET Core applications.</Description>
     <AssemblyName>Microsoft.Tye.Hosting.Diagnostics</AssemblyName>
     <PackageId>Microsoft.Tye.Hosting.Diagnostics</PackageId>

src/Microsoft.Tye.Hosting/DockerRunner.cs

@@ -62,7 +62,7 @@ namespace Microsoft.Tye.Hosting
 
                 // Inject a proxy per non-container service. This allows the container to use normal host names within the
                 // container network to talk to services on the host
-                var proxyContainer = new DockerRunInfo($"mcr.microsoft.com/dotnet/core/sdk:3.1", "dotnet Microsoft.Tye.Proxy.dll")
+                var proxyContainer = new DockerRunInfo($"mcr.microsoft.com/dotnet/sdk:6.0", "dotnet Microsoft.Tye.Proxy.dll")
                 {
                     WorkingDirectory = "/app",
                     NetworkAlias = service.Description.Name,

src/Microsoft.Tye.Hosting/HttpProxyService.cs

@@ -178,7 +178,8 @@ namespace Microsoft.Tye.Hosting
                                             }
                                             var uri = new UriBuilder(uris[next].Uri)
                                             {
-                                                Path = rule.PreservePath ? $"{context.Request.Path}" : (string)context.Request.RouteValues["path"] ?? "/",
+                                                // TODO: Investigate possible null.
+                                                Path = rule.PreservePath ? $"{context.Request.Path}" : (string)context.Request!.RouteValues["path"]! ?? "/",
                                                 Query = context.Request.QueryString.Value
                                             };
 

src/Microsoft.Tye.Hosting/Infrastructure/ProxyExtensions.cs

@@ -88,7 +88,8 @@ namespace Microsoft.AspNetCore.Proxy
 
             // Append request forwarding headers
             requestMessage.Headers.TryAddWithoutValidation("Via", $"{context.Request.Protocol} Tye");
-            requestMessage.Headers.TryAddWithoutValidation("X-Forwarded-For", context.Connection.RemoteIpAddress.ToString());
+            // TODO: Investigate possible null.
+            requestMessage.Headers.TryAddWithoutValidation("X-Forwarded-For", context.Connection!.RemoteIpAddress!.ToString());
             requestMessage.Headers.TryAddWithoutValidation("X-Forwarded-Proto", request.Scheme);
             requestMessage.Headers.TryAddWithoutValidation("X-Forwarded-Host", request.Host.ToUriComponent());
 
@@ -129,7 +130,8 @@ namespace Microsoft.AspNetCore.Proxy
             }
 
             AppendHeaderValue(client.Options, context.Request.Headers, "Via", context.Request.Protocol);
-            AppendHeaderValue(client.Options, context.Request.Headers, "X-Forwarded-For", context.Connection.RemoteIpAddress.ToString());
+            // TODO: Investigate possible null.
+            AppendHeaderValue(client.Options, context.Request.Headers, "X-Forwarded-For", context.Connection!.RemoteIpAddress!.ToString());
             AppendHeaderValue(client.Options, context.Request.Headers, "X-Forwarded-Proto", context.Request.Scheme);
             AppendHeaderValue(client.Options, context.Request.Headers, "X-Forwarded-Host", context.Request.Host.ToUriComponent());
 

src/Microsoft.Tye.Hosting/Infrastructure/ServiceLoggerProvider.cs

@@ -37,9 +37,9 @@ namespace Microsoft.Tye.Hosting
                 _logs = logs;
             }
 
-            public IDisposable? BeginScope<TState>(TState state)
+            public IDisposable BeginScope<TState>(TState state)
             {
-                return null;
+                return new NoOpScope();
             }
 
             public bool IsEnabled(LogLevel logLevel)
@@ -47,15 +47,25 @@ namespace Microsoft.Tye.Hosting
                 return true;
             }
 
-            public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
+            public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception? exception, Func<TState, Exception, string>? formatter)
             {
-                _logs.OnNext($"[{logLevel}]: {formatter(state, exception)}");
+                if (formatter != null && exception != null)
+                {
+                    _logs.OnNext($"[{logLevel}]: {formatter(state, exception)}");
+                }
 
                 if (exception != null)
                 {
                     _logs.OnNext(exception.ToString());
                 }
             }
+
+            private sealed class NoOpScope : IDisposable
+            {
+                public void Dispose()
+                {
+                }
+            }
         }
     }
 }

src/Microsoft.Tye.Hosting/Microsoft.Tye.Hosting.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Library</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <Description>Orchestration host APIs.</Description>
     <AssemblyName>Microsoft.Tye.Hosting</AssemblyName>
     <PackageId>Microsoft.Tye.Hosting</PackageId>

src/Microsoft.Tye.Hosting/ProxyService.cs

@@ -94,7 +94,8 @@ namespace Microsoft.Tye.Hosting
                                                 return;
                                             }
 
-                                            using var _ = cts.Token.Register(() => notificationFeature.RequestClose());
+                                            // TODO: Investigate possible null.
+                                            using var _ = cts.Token.Register(() => notificationFeature!.RequestClose());
 
                                             NetworkStream? targetStream = null;
 
@@ -131,11 +132,13 @@ namespace Microsoft.Tye.Hosting
                                             {
                                                 _logger.LogDebug("Proxying traffic to {ServiceName} {ExternalPort}:{InternalPort}", service.Description.Name, binding.Port, ports[next]);
 
+                                                // TODO: Investigate possible null.
                                                 // external -> internal
-                                                var reading = Task.Run(() => connection.Transport.Input.CopyToAsync(targetStream, notificationFeature.ConnectionClosedRequested));
+                                                var reading = Task.Run(() => connection.Transport.Input.CopyToAsync(targetStream, notificationFeature!.ConnectionClosedRequested));
 
+                                                // TODO: Investigate possible null.
                                                 // internal -> external
-                                                var writing = Task.Run(() => targetStream.CopyToAsync(connection.Transport.Output, notificationFeature.ConnectionClosedRequested));
+                                                var writing = Task.Run(() => targetStream.CopyToAsync(connection.Transport.Output, notificationFeature!.ConnectionClosedRequested));
 
                                                 await Task.WhenAll(reading, writing);
                                             }
@@ -149,7 +152,8 @@ namespace Microsoft.Tye.Hosting
                                             }
                                             catch (OperationCanceledException ex)
                                             {
-                                                if (!notificationFeature.ConnectionClosedRequested.IsCancellationRequested)
+                                                // TODO: Investigate possible null.
+                                                if (!notificationFeature!.ConnectionClosedRequested.IsCancellationRequested)
                                                 {
                                                     _logger.LogDebug(0, ex, "Proxy error for service {ServiceName}", service.Description.Name);
                                                 }

src/Microsoft.Tye.Hosting/TransformProjectsIntoContainers.cs

@@ -87,10 +87,10 @@ namespace Microsoft.Tye.Hosting
             // This is .NET specific
             var userSecretStore = GetUserSecretsPathFromSecrets();
 
-            Directory.CreateDirectory(userSecretStore);
-
             if (!string.IsNullOrEmpty(userSecretStore))
             {
+                Directory.CreateDirectory(userSecretStore);
+
                 // Map the user secrets on this drive to user secrets
                 dockerRunInfo.VolumeMappings.Add(new DockerVolume(source: userSecretStore, name: null, target: "/root/.microsoft/usersecrets", readOnly: true));
             }

src/Microsoft.Tye.Hosting/TyeHost.cs

@@ -102,7 +102,8 @@ namespace Microsoft.Tye.Hosting
 
             await app.StartAsync();
 
-            _addresses = DashboardWebApplication.Services.GetRequiredService<IServer>().Features.Get<IServerAddressesFeature>().Addresses;
+            // TODO: Investigate possible null.
+            _addresses = DashboardWebApplication.Services.GetRequiredService<IServer>().Features.Get<IServerAddressesFeature>()!.Addresses;
 
             _logger.LogInformation("Dashboard running on {Address}", _addresses.First());
 
@@ -333,7 +334,7 @@ namespace Microsoft.Tye.Hosting
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, "Error while shutting down");
+                _logger?.LogError(ex, "Error while shutting down");
             }
             finally
             {
@@ -375,7 +376,7 @@ namespace Microsoft.Tye.Hosting
             }
             catch (Exception ex)
             {
-                _logger.LogError(ex, "Error launching dashboard.");
+                _logger?.LogError(ex, "Error launching dashboard.");
             }
         }
 

src/Microsoft.Tye.Proxy/Microsoft.Tye.Proxy.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

src/Microsoft.Tye.Proxy/Program.cs

@@ -64,7 +64,8 @@ namespace Microsoft.Tye.Proxy
 
                                             logger.LogDebug("Attempting to connect to {ServiceName} listening on {Port}:{ExternalPort}", serviceName, mapping.Port, mapping.ExternalPort);
 
-                                            await target.ConnectAsync(containerHost, mapping.ExternalPort);
+                                            // TODO: Investigate null host.
+                                            await target.ConnectAsync(containerHost!, mapping.ExternalPort);
 
                                             logger.LogDebug("Successfully connected to {ServiceName} listening on {Port}:{ExternalPort}", serviceName, mapping.Port, mapping.ExternalPort);
 
@@ -87,11 +88,13 @@ namespace Microsoft.Tye.Proxy
                                         {
                                             logger.LogDebug("Proxying traffic to {ServiceName} {Port}:{ExternalPort}", serviceName, mapping.Port, mapping.ExternalPort);
 
-                                            // external -> internal
-                                            var reading = Task.Run(() => connection.Transport.Input.CopyToAsync(targetStream, notificationFeature.ConnectionClosedRequested));
+                                            // TODO: Investigate possible null.
+                                            // external -> internal                                            
+                                            var reading = Task.Run(() => connection.Transport.Input.CopyToAsync(targetStream, notificationFeature!.ConnectionClosedRequested));
 
+                                            // TODO: Investigate possible null.
                                             // internal -> external
-                                            var writing = Task.Run(() => targetStream.CopyToAsync(connection.Transport.Output, notificationFeature.ConnectionClosedRequested));
+                                            var writing = Task.Run(() => targetStream.CopyToAsync(connection.Transport.Output, notificationFeature!.ConnectionClosedRequested));
 
                                             await Task.WhenAll(reading, writing);
                                         }
@@ -105,7 +108,8 @@ namespace Microsoft.Tye.Proxy
                                         }
                                         catch (OperationCanceledException ex)
                                         {
-                                            if (!notificationFeature.ConnectionClosedRequested.IsCancellationRequested)
+                                            // TODO: Investigate possible null.
+                                            if (!notificationFeature!.ConnectionClosedRequested.IsCancellationRequested)
                                             {
                                                 logger.LogDebug(0, ex, "Proxy error for service {ServiceName}", serviceName);
                                             }

src/shared/KubectlDetector.cs

@@ -47,8 +47,9 @@ namespace Microsoft.Tye
                     {
                         continue;
                     }
-                    var major = int.Parse(element.Value.GetProperty("major").GetString());
-                    var minor = int.Parse(element.Value.GetProperty("minor").GetString().Trim('+'));
+                    // TODO: Investigate possible null.
+                    var major = int.Parse(element.Value!.GetProperty("major")!.GetString()!);
+                    var minor = int.Parse(element.Value!.GetProperty("minor")!.GetString()!.Trim('+'));
                     var version = new Version(major, minor);
                     return version;
                 }

src/tye-diag-agent/tye-diag-agent.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Worker">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>Microsoft.Tye</RootNamespace>
   </PropertyGroup>
 

src/tye/InitHost.cs

@@ -37,7 +37,8 @@ namespace Microsoft.Tye
                     throw new CommandException(errorMessage!);
                 }
 
-                path = new FileInfo(filePath);
+                // TODO: Investigate possible null.
+                path = new FileInfo(filePath!);
             }
 
             var template = @"

src/tye/tye.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>Microsoft.Tye</RootNamespace>
     <AssemblyName>tye</AssemblyName>
     <PackageId>Microsoft.Tye</PackageId>

test/E2ETest/ApplicationFactoryTests.cs

@@ -135,14 +135,14 @@ services:
             // Debug targets can be null if not specified, so make sure calling host.Start does not throw.
             var outputContext = new OutputContext(_sink, Verbosity.Debug);
             var projectFile = new FileInfo(yamlFile);
-            var applicationBuilder = await ApplicationFactory.CreateAsync(outputContext, projectFile, "netcoreapp3.1");
+            var applicationBuilder = await ApplicationFactory.CreateAsync(outputContext, projectFile, "net6.0");
 
             Assert.Single(applicationBuilder.Services);
             var service = applicationBuilder.Services.Single(s => s.Name == "multi-targetframeworks");
 
             var containsTargetFramework = ((DotnetProjectServiceBuilder)service).BuildProperties.TryGetValue("TargetFramework", out var targetFramework);
             Assert.True(containsTargetFramework);
-            Assert.Equal("netcoreapp3.1", targetFramework);
+            Assert.Equal("net6.0", targetFramework);
         }
 
         [Fact]
@@ -154,7 +154,7 @@ services:
             // Debug targets can be null if not specified, so make sure calling host.Start does not throw.
             var outputContext = new OutputContext(_sink, Verbosity.Debug);
             var projectFile = new FileInfo(yamlFile);
-            var applicationBuilder = await ApplicationFactory.CreateAsync(outputContext, projectFile, "netcoreapp3.1");
+            var applicationBuilder = await ApplicationFactory.CreateAsync(outputContext, projectFile, "net6.0");
 
             Assert.Single(applicationBuilder.Services);
             var service = applicationBuilder.Services.Single(s => s.Name == "multi-targetframeworks");

test/E2ETest/Microsoft.Tye.E2ETests.csproj

@@ -2,7 +2,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <AssemblyName>Microsoft.Tye.E2ETest</AssemblyName>
     <IsTestProject>true</IsTestProject>
     <IsUnitTestProject>true</IsUnitTestProject>

test/E2ETest/TyeBuildTests.Dockerfile.cs

@@ -226,7 +226,7 @@ namespace E2ETest
             var projectFile = new FileInfo(Path.Combine(projectDirectory.DirectoryPath, "tye-no-buildproperties.yaml"));
 
             var outputContext = new OutputContext(sink, Verbosity.Debug);
-            var application = await ApplicationFactory.CreateAsync(outputContext, projectFile, "netcoreapp3.1");
+            var application = await ApplicationFactory.CreateAsync(outputContext, projectFile, "net6.0");
 
             application.Registry = new ContainerRegistry("test");
 
@@ -260,7 +260,7 @@ namespace E2ETest
             var projectFile = new FileInfo(Path.Combine(projectDirectory.DirectoryPath, "tye-with-netcoreapp31.yaml"));
 
             var outputContext = new OutputContext(sink, Verbosity.Debug);
-            var application = await ApplicationFactory.CreateAsync(outputContext, projectFile, "netcoreapp3.1");
+            var application = await ApplicationFactory.CreateAsync(outputContext, projectFile, "net6.0");
 
             application.Registry = new ContainerRegistry("test");
 

test/E2ETest/TyeRunTests.cs

@@ -799,7 +799,8 @@ services:
         [Fact]
         public async Task IngressAllIPTest()
         {
-            await TestIngressIP($"'*'", GetLiveIPAddresses().FirstOrDefault());
+            // TODO: Possible null reference (the default case).
+            await TestIngressIP($"'*'", GetLiveIPAddresses().FirstOrDefault()!);
         }
 
 
@@ -1137,7 +1138,7 @@ services:
 
             var projectFile = new FileInfo(Path.Combine(projectDirectory.DirectoryPath, "tye-no-buildproperties.yaml"));
             var outputContext = new OutputContext(_sink, Verbosity.Debug);
-            var application = await ApplicationFactory.CreateAsync(outputContext, projectFile, "netcoreapp3.1");
+            var application = await ApplicationFactory.CreateAsync(outputContext, projectFile, "net6.0");
 
             var handler = new HttpClientHandler
             {

test/E2ETest/testassets/projects/Console.Normalization.svc.Name/Console.Normalization.svc.Name.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

test/E2ETest/testassets/projects/apps-with-ingress/ApplicationA/ApplicationA.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

test/E2ETest/testassets/projects/apps-with-ingress/ApplicationB/ApplicationB.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

test/E2ETest/testassets/projects/apps-with-ingress/ApplicationC-UI/ApplicationC-UI.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

test/E2ETest/testassets/projects/azure-functions/backend/backend.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <AzureFunctionsVersion>v3</AzureFunctionsVersion>
   </PropertyGroup>
   <ItemGroup>

test/E2ETest/testassets/projects/azure-functions/frontend/frontend.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>Frontend</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/dapr/dapr.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

test/E2ETest/testassets/projects/dockerfile/frontend/frontend.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>Frontend</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/frontend-backend/backend/backend-baseimage.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>Backend</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/frontend-backend/backend/backend.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>Backend</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/frontend-backend/frontend/frontend.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>Frontend</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/generate-connectionstring-dependency/frontend/frontend.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

test/E2ETest/testassets/projects/generate-named-binding/frontend/frontend.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

test/E2ETest/testassets/projects/generate-uri-dependency/frontend/frontend.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

test/E2ETest/testassets/projects/health-checks/api/api.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 

test/E2ETest/testassets/projects/multi-phase-dockerfile/multi-phase-dockerfile.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>multi_phase_dockerfile</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/multi-project/backend/backend.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>Backend</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/multi-project/frontend/frontend.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

test/E2ETest/testassets/projects/multi-project/worker/worker.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Worker">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <UserSecretsId>dotnet-worker-E4419EA1-F496-4FE1-A024-7E75E40B9E10</UserSecretsId>
     <RootNamespace>Worker</RootNamespace>
   </PropertyGroup>

test/E2ETest/testassets/projects/multi-targetframeworks/multi-targetframeworks/multi-targetframeworks.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;netcoreapp2.1</TargetFrameworks>
+    <TargetFrameworks>net6.0;netcoreapp2.1</TargetFrameworks>
     <RootNamespace>MultiTargetFrameworks</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/multi-targetframeworks/tye-with-netcoreapp31.yaml

@@ -6,4 +6,4 @@ services:
   project: multi-targetframeworks/multi-targetframeworks.csproj
   buildProperties:
     - name: TargetFramework
-      value: netcoreapp3.1
+      value: net6.0

test/E2ETest/testassets/projects/multirepo/results/results.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>Results</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/multirepo/vote/vote.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>Vote</RootNamespace>
   </PropertyGroup>
   

test/E2ETest/testassets/projects/multirepo/worker/worker.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <UserSecretsId>dotnet-worker-A47A7C4B-4BF2-4243-9BBE-E6B3CB3E9C6F</UserSecretsId>
     <RootNamespace>Worker</RootNamespace>
   </PropertyGroup>

test/E2ETest/testassets/projects/nginx-ingress/ApplicationA/ApplicationA.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

test/E2ETest/testassets/projects/nginx-ingress/ApplicationB/ApplicationB.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

test/E2ETest/testassets/projects/project-types/app/app.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

test/E2ETest/testassets/projects/project-types/class-library/class-library.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>class_library</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/project-types/test-project/test-project.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>test_project</RootNamespace>
 
     <IsPackable>false</IsPackable>

test/E2ETest/testassets/projects/single-phase-dockerfile-args-duplicates/single-phase-dockerfile-args.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>single_phase_dockerfile_args</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/single-phase-dockerfile-args/single-phase-dockerfile-args.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>single_phase_dockerfile_args</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/single-phase-dockerfile-multi-args/single-phase-dockerfile-multi-args.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>single_phase_dockerfile_args</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/single-phase-dockerfile/single-phase-dockerfile.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>single_phase_dockerfile</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/single-project/test-project/test-project.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>test_project</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/volume-test/volume-test.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>volume_test</RootNamespace>
   </PropertyGroup>
 

test/E2ETest/testassets/projects/web-app/web-app.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <RootNamespace>web_app</RootNamespace>
   </PropertyGroup>
 

test/Microsoft.Tye.Extensions.Configuration.Tests/Microsoft.Tye.Extensions.Configuration.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <IsTestProject>true</IsTestProject>
   </PropertyGroup>
 

test/Test.Infrastructure/Test.Infrastructure.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <TestRunnerName>XUnit</TestRunnerName>
     <Nullable>disable</Nullable>

test/UnitTests/Microsoft.Tye.UnitTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
     <AssemblyName>Microsoft.Tye.UnitTests</AssemblyName>
     <IsTestProject>true</IsTestProject>
     <IsUnitTestProject>true</IsUnitTestProject>