Dockerfile.windows

# escape=`
# Stage 1: Bootstrap - development environment only (VS, SDK, tools)
FROM mcr.microsoft.com/windows/servercore:ltsc2022 AS bootstrap

SHELL ["C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]

# Install Chocolatey with non-interactive settings
ENV CHOCO NON_INTERACTIVE=1
RUN Set-ExecutionPolicy Bypass -Scope Process -Force; `
    [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; `
    [System.Environment]::SetEnvironmentVariable('ChocolateyInstall', 'C:\ProgramData\chocolatey', 'Machine'); `
    iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1')); `
    $env:PATH = $env:PATH + ';' + [System.Environment]::GetEnvironmentVariable('PATH','Machine');

# Install PowerShell Core and Git
RUN choco install -y --no-progress git powershell-core

# Set up PATH for PowerShell Core
ENV PATH="C:\Program Files\PowerShell\7;C:\Program Files\Git\cmd;C:\ProgramData\chocolatey\bin;${PATH}"

# Create workspace directory and configure git
RUN New-Item -ItemType Directory -Force -Path C:\workspace; `
    git config --global core.autocrlf false; `
    git config --global core.eol lf; `
    git config --global core.longpaths true; `
    git config --global --add safe.directory C:\workspace\bun;

# Clone Bun repository to get bootstrap script
WORKDIR C:\workspace
RUN git clone https://github.com/oven-sh/bun.git C:\workspace\bun
WORKDIR C:\workspace\bun

# Bust cache if bootstrap script changes
ARG BOOTSTRAP_HASH=unknown
RUN Write-Host "Bootstrap hash: $env:BOOTSTRAP_HASH"

# Run bootstrap with minimal patches - just fix what breaks in containers
RUN git pull; `
    $bootstrapPath = '.\scripts\bootstrap.ps1'; `
    $content = Get-Content $bootstrapPath -Raw; `
    $content = $content -replace '"--passive"', '"--quiet"'; `
    Set-Content -Path $bootstrapPath -Value $content; `
    pwsh -ExecutionPolicy Bypass -File $bootstrapPath -Optimize:$false; `
    git checkout $bootstrapPath; `
    refreshenv;

# Install additional VS components that --includeRecommended doesn't include in containers
RUN & 'C:\Program Files (x86)\Microsoft Visual Studio\Installer\vs_installer.exe' modify `
      --installPath 'C:\Program Files\Microsoft Visual Studio\2022\Community' `
      --add Microsoft.VisualStudio.Component.Windows11SDK.22621 `
      --add Microsoft.VisualStudio.Component.Windows10SDK `
      --quiet --norestart --wait; `
    refreshenv;

# Reload environment and add SDK bin to PATH
RUN $sdkBin = Get-ChildItem 'C:\Program Files (x86)\Windows Kits' -Recurse -Filter 'rc.exe' -ErrorAction SilentlyContinue | `
      Where-Object { $_.Directory.Name -eq 'x64' } | `
      Select-Object -First 1 | ForEach-Object { $_.Directory.FullName }; `
    if ($sdkBin) { [System.Environment]::SetEnvironmentVariable('SDK_BIN', $sdkBin, 'Machine') }; `
    refreshenv;

# Add SDK bin to PATH via ENV so CMake can find rc.exe and mt.exe
ENV PATH="${SDK_BIN};${PATH}"
ENV BUN_NO_CORE_DUMP=1

# Stage 2: Base - bootstrap environment + specific Bun commit
FROM bootstrap AS base

# Bust cache when Bun code changes
ARG GIT_SHA=unknown
RUN Write-Host "Bun SHA: $env:GIT_SHA"

WORKDIR C:\workspace\bun

# Update to specific commit
RUN git pull

# Pre-install the repo-pinned Rust toolchain. bootstrap.ps1 installed rustup
# with a stable default; when rust-toolchain.toml is present (the Rust port)
# invoking cargo via the rustup proxy here pulls the exact pinned nightly +
# components + targets into the image so the build step doesn't re-download.
# No-op on refs without rust-toolchain.toml. ErrorActionPreference is relaxed
# for this block because rustup writes progress to stderr, which Windows
# PowerShell 5.1 otherwise promotes to a terminating error.
RUN $ErrorActionPreference = 'Continue'; `
    $env:PATH = $env:PATH + ';' + [System.Environment]::GetEnvironmentVariable('PATH','Machine'); `
    if (Test-Path rust-toolchain.toml) { `
        cargo --version; `
        rustup component add rustfmt clippy rust-src; `
        rustup show; `
    }

# Stage 3: Prebuilt - base + built Bun binary
FROM base AS prebuilt

# Set build environment variables for Windows
ENV ENABLE_ZIG_ASAN=0
ENV BUN_DEBUG_QUIET_LOGS=1
ENV BUN_GARBAGE_COLLECTOR_LEVEL=0
ENV BUN_FEATURE_FLAG_INTERNAL_FOR_TESTING=1

# Build Bun
RUN $env:PATH = $env:PATH + ';' + [System.Environment]::GetEnvironmentVariable('PATH','Machine') + ';C:\Users\ContainerAdministrator\.bun\bin'; `
    bun run build; `
    Remove-Item -Recurse -Force -ErrorAction SilentlyContinue C:\Users\ContainerAdministrator\AppData\Local\Temp\*;

# Test that the binary works
RUN C:\workspace\bun\build\debug\bun-debug.exe --version

CMD ["powershell.exe"]

# Minimal stage for extracting build artifacts
# Note: Windows doesn't support FROM scratch, so we use the base Windows image
FROM mcr.microsoft.com/windows/nanoserver:ltsc2022 AS artifacts
COPY --from=prebuilt C:\workspace\bun\build C:\build

FROM prebuilt as run

RUN New-Item -ItemType Directory -Force -Path C:\workspace\cwd
VOLUME C:\workspace\cwd
WORKDIR C:\workspace\cwd

ENTRYPOINT ["C:\\workspace\\bun\\build\\debug\\bun-debug.exe"]