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phosae/args.md

Created February 7, 2023 08:49
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Docker Buildx Args
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args.md

https://docs.docker.com/engine/reference/builder/#automatic-platform-args-in-the-global-scope

The following ARG variables are set automatically:

  • TARGETPLATFORM - platform of the build result. Eg linux/amd64, linux/arm/v7, windows/amd64.
  • TARGETOS - OS component of TARGETPLATFORM, Eg linux, windows, wasi
  • TARGETARCH - architecture component of TARGETPLATFORM, Eg amd64, arm64, wasm32
  • TARGETVARIANT - variant component of TARGETPLATFORM
  • BUILDPLATFORM - platform of the node performing the build.
  • BUILDOS - OS component of BUILDPLATFORM
  • BUILDARCH - architecture component of BUILDPLATFORM
  • BUILDVARIANT - variant component of BUILDPLATFORM

docker buildx build --platform linux/amd64,linux/arm64 -t zengxu/example --push -f Dockerfile.dev .

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