bake: add --var flag for setting variable values#3610
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tonistiigi merged 2 commits intodocker:masterfrom Jan 16, 2026
Merged
bake: add --var flag for setting variable values#3610tonistiigi merged 2 commits intodocker:masterfrom
tonistiigi merged 2 commits intodocker:masterfrom
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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
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This provides alternative way to set values for Bake variables without adding them the global environment variables. This can also be used then environment variable access is disabled with BUILDX_BAKE_DISABLE_VARS_ENV_LOOKUP. Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
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LGTM
Needs docs follow-up in reference and docs repo: https://docs.docker.com/build/bake/variables/ (cc @dvdksn)
| | [`--push`](#push) | `bool` | | Shorthand for `--set=*.output=type=registry`. Conditional. | | ||
| | [`--sbom`](#sbom) | `string` | | Shorthand for `--set=*.attest=type=sbom` | | ||
| | [`--set`](#set) | `stringArray` | | Override target value (e.g., `targetpattern.key=value`) | | ||
| | `--var` | `stringArray` | | Set a variable value (e.g., `name=value`) | |
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This provides an alternative way to set values for Bake
variables without adding them to the global environment variables.
This can also be used when environment variable access
is disabled with
BUILDX_BAKE_DISABLE_VARS_ENV_LOOKUP.