fix(devcontainer): use current python image and modern ENV syntax#475
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The legacy `mcr.microsoft.com/vscode/devcontainers/python:0-*` tags are no longer published, so `devcontainer up` fails with a manifest-not-found error. Switch to the current `mcr.microsoft.com/vscode/devcontainers/python` namespace. Also resolve the BuildKit `LegacyKeyValueFormat` warning by using `ENV key=value` instead of `ENV key value`. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
mcr.microsoft.com/vscode/devcontainers/python:0-*tags are no longer published;devcontainer upcurrently fails withmcr.microsoft.com/vscode/devcontainers/python:0-3.11-bookworm: not found. Switch theFROMline to the currentmcr.microsoft.com/vscode/devcontainers/pythonnamespace, which is the documented active location for the Microsoft devcontainer images.LegacyKeyValueFormatwarning by usingENV SHELL=/bin/bashinstead ofENV SHELL /bin/bash.Test plan
devcontainer up --workspace-folder .succeeds and produces an image with no warnings.VARIANT=3-bullseyewas preserved as the ARG default; the devcontainer.json overrides it to3.11-bookworm).🤖 Generated with Claude Code