Update devcontainer to support .NET 9 and .NET 10#1843
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Pull request overview
This PR updates the repository devcontainer to support building/testing projects targeting net9.0 and net10.0 by switching from a fixed .NET 8 SDK image to a Dockerfile-based devcontainer build that includes .NET 10 and installs .NET 9 side-by-side.
Changes:
- Add a
.devcontainer/Dockerfilebased onmcr.microsoft.com/dotnet/sdk:10.0and install the .NET 9 SDK viadotnet-install.sh. - Update
.devcontainer/devcontainer.jsonto use"build"(Dockerfile) instead of a fixed"image".
Show a summary per file
| File | Description |
|---|---|
| .devcontainer/Dockerfile | Introduces a .NET 10-based devcontainer image and installs the .NET 9 SDK side-by-side. |
| .devcontainer/devcontainer.json | Switches devcontainer configuration from an image reference to a Dockerfile build. |
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| # Install .NET 9 SDK side-by-side so the container supports both net9.0 and net10.0 builds. | ||
| RUN set -eux; \ | ||
| apt-get update; \ | ||
| apt-get install -y --no-install-recommends curl ca-certificates; \ | ||
| rm -rf /var/lib/apt/lists/*; \ | ||
| curl -fsSL https://dot.net/v1/dotnet-install.sh -o /tmp/dotnet-install.sh; \ | ||
| chmod +x /tmp/dotnet-install.sh; \ | ||
| /tmp/dotnet-install.sh --channel 9.0 --quality ga --install-dir /usr/share/dotnet --skip-non-versioned-files; \ | ||
| rm -f /tmp/dotnet-install.sh |
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Summary
.devcontainer/devcontainer.jsonfrom a fixed.NET 8image to a Dockerfile-based build.devcontainer/Dockerfilebased onmcr.microsoft.com/dotnet/sdk:10.0.NET 9 SDKside-by-side viadotnet-install.shWhy
The repository currently targets newer TFMs in CI and local workflows. This devcontainer update ensures contributors can build and test net9.0/net10.0 projects from the container environment.
Validation
.NET 9and.NET 10SDK availability is provisioned by container build steps