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Use the image directly in projects with no features - #3
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Building from a Dockerfile with no devcontainer features fails, because compose's buildx bake won't read the Dockerfile the devcontainer CLI generates in /tmp. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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"Using an image" told every project to write a
Dockerfilethat startsFROMthe base image. For a compose-based project with no devcontainer features, that fails to build: the devcontainer CLI builds the service withdocker compose buildfrom a Dockerfile it generates in/tmp, and compose'sbuildx bakewon't read files outside the build context. That hit shufflehorse (shufflehorse#346), and wdil has the same setup (wdil#49).The section now shows both setups:
image:incompose.yaml, with no Dockerfile.It quotes the error, so the next person to hit it can find the explanation.
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