Performance fixes II - ngen binaries (#34)

servercore2022/dockerfile

@@ -1,6 +1,42 @@
 # escape=`
 FROM mcr.microsoft.com/windows/servercore:ltsc2022
 
+# https://github.com/microsoft/dotnet-framework-docker/blob/main/src/runtime/4.8.1/windowsservercore-ltsc2022/Dockerfile
+ENV `
+    # Enable detection of running in a container
+    DOTNET_RUNNING_IN_CONTAINER=true `
+    COMPLUS_RUNNING_IN_CONTAINER=1 `
+    COMPLUS_NGenProtectedProcess_FeatureEnabled=0
+
+# https://github.com/microsoft/dotnet-framework-docker/blob/main/src/runtime/4.8/windowsservercore-ltsc2022/Dockerfile
+RUN `
+    # Ngen top of assembly graph to optimize a set of frequently used assemblies
+    %windir%\Microsoft.NET\Framework64\v4.0.30319\ngen install "Microsoft.PowerShell.Utility.Activities, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" `
+    # To optimize 32-bit assemblies, uncomment the next line
+    # && %windir%\Microsoft.NET\Framework\v4.0.30319\ngen install "Microsoft.PowerShell.Utility.Activities, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" `
+    && %windir%\Microsoft.NET\Framework64\v4.0.30319\ngen update `
+    && %windir%\Microsoft.NET\Framework\v4.0.30319\ngen update
+
+# Install 2.9.0 Roslyn compilers
+RUN curl -fSLo microsoft.net.compilers.2.9.0.zip https://api.nuget.org/packages/microsoft.net.compilers.2.9.0.nupkg `
+    && mkdir C:\RoslynCompilers `
+    && tar -C C:\RoslynCompilers -zxf microsoft.net.compilers.2.9.0.zip `
+    && del microsoft.net.compilers.2.9.0.zip `
+    && %windir%\Microsoft.NET\Framework64\v4.0.30319\ngen install C:\RoslynCompilers\tools\csc.exe /ExeConfig:C:\RoslynCompilers\tools\csc.exe `
+    && %windir%\Microsoft.NET\Framework64\v4.0.30319\ngen install C:\RoslynCompilers\tools\vbc.exe /ExeConfig:C:\RoslynCompilers\tools\vbc.exe `
+    && %windir%\Microsoft.NET\Framework64\v4.0.30319\ngen install C:\RoslynCompilers\tools\VBCSCompiler.exe /ExeConfig:C:\RoslynCompilers\tools\VBCSCompiler.exe
+
+# Install 3.6.0 Roslyn compilers
+RUN curl -fSLo microsoft.net.compilers.3.6.0.zip https://api.nuget.org/packages/microsoft.net.compilers.3.6.0.nupkg `
+    && mkdir C:\RoslynCompilers-3.6.0 `
+    && tar -C C:\RoslynCompilers-3.6.0 -zxf microsoft.net.compilers.3.6.0.zip `
+    && del microsoft.net.compilers.3.6.0.zip `
+    && %windir%\Microsoft.NET\Framework64\v4.0.30319\ngen install C:\RoslynCompilers-3.6.0\tools\csc.exe /ExeConfig:C:\RoslynCompilers-3.6.0\tools\csc.exe `
+    && %windir%\Microsoft.NET\Framework64\v4.0.30319\ngen install C:\RoslynCompilers-3.6.0\tools\vbc.exe /ExeConfig:C:\RoslynCompilers-3.6.0\tools\vbc.exe `
+    && %windir%\Microsoft.NET\Framework64\v4.0.30319\ngen install C:\RoslynCompilers-3.6.0\tools\VBCSCompiler.exe /ExeConfig:C:\RoslynCompilers-3.6.0\tools\VBCSCompiler.exe
+
+ENV ROSLYN_COMPILER_LOCATION=C:\RoslynCompilers-3.6.0\tools
+
 SHELL ["powershell.exe"]
 
 RUN $global:ErrorActionPreference = 'Stop'; `