| # escape=` | 
 |  | 
 | # Copyright 2021 The Cobalt Authors. All Rights Reserved. | 
 | # | 
 | # Licensed under the Apache License, Version 2.0 (the "License"); | 
 | # you may not use this file except in compliance with the License. | 
 | # You may obtain a copy of the License at | 
 | # | 
 | #     http://www.apache.org/licenses/LICENSE-2.0 | 
 | # | 
 | # Unless required by applicable law or agreed to in writing, software | 
 | # distributed under the License is distributed on an "AS IS" BASIS, | 
 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | # See the License for the specific language governing permissions and | 
 | # limitations under the License. | 
 | ARG FROM_IMAGE | 
 | FROM ${FROM_IMAGE} | 
 |  | 
 | # Dockerfile for image used to install Visual Studio. | 
 | # WARNING: Changes to this file will result in an extremely long image rebuild. | 
 |  | 
 | SHELL ["powershell", "-ExecutionPolicy", "unrestricted", "-Command"] | 
 |  | 
 | RUN mkdir C:\TEMP;` | 
 |     Write-Host ('Downloading vs_buildtools.exe');` | 
 |     Invoke-WebRequest -Uri https://aka.ms/vs/15/release/vs_buildtools.exe -OutFile C:\TEMP\vs_buildtools.exe;` | 
 |     Write-Host ('Installing vs_buildtools.exe');` | 
 |     Start-Process C:\TEMP\vs_buildtools.exe -Wait -NoNewWindow` | 
 |         -ArgumentList '--quiet --wait --norestart --nocache` | 
 |         --installPath C:\BuildTools ` | 
 |         --add Microsoft.VisualStudio.Component.VC.CoreIde ` | 
 |         --add Microsoft.VisualStudio.Component.VC.Tools.x86.x64 ` | 
 |         --add Microsoft.VisualStudio.Component.Windows10SDK.17763 ` | 
 |         --add Microsoft.VisualStudio.Component.VC.Tools.14.15';` | 
 |     Write-Host ('Cleaning up vs_buildtools.exe');` | 
 |     Remove-Item -Force -Recurse ${env:ProgramFiles(x86)}\'Microsoft Visual Studio'\Installer;` | 
 |     Remove-Item -Force -Recurse $env:TEMP\*;` | 
 |     Remove-Item -Force -Recurse $env:ProgramData\'Package Cache'\;` | 
 |     Remove-Item -Force -Recurse C:\BuildTools\Common7\IDE\CommonExtensions\Microsoft\TextMate\Starterkit\Extensions;` | 
 |     Remove-Item -Force -Recurse C:\BuildTools\VC\Tools\MSVC\14.15.26726\atlmfc;` | 
 |     Remove-Item -Force -Recurse C:\BuildTools\VC\Tools\MSVC\14.15.26726\lib\spectre;` | 
 |     Remove-Item C:\TEMP\vs_buildtools.exe | 
 |  | 
 | ENV VSINSTALLDIR "C:\BuildTools" | 
 | ENV VS_INSTALL_DIR "C:\BuildTools" | 
 | ENV MSVC_TOOLS_VERSION "14.16.27023" | 
 | ENV MSVC_REDIST_VERSION "14.16.27012" | 
 |  | 
 | # TODO: remove this environment variable setting, since it is only needed for | 
 | # manually deploying debug versions of DLLs. This can be removed in favor of a | 
 | # dedicated deployment through gyp/ninja. | 
 | ENV MS_WIN_VERSION="10.0.17763.0" |