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dvdksn merged 1 commit into from
Nov 17, 2023
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build: BUILDKIT_TTY_LOG_LINES env var #18713

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14 changes: 12 additions & 2 deletions content/build/building/env-vars.md
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Expand Up @@ -10,10 +10,11 @@ You can set the following environment variables to enable, disable, or change
the behavior of features related to building:

| Variable | Type | Description |
| --------------------------------------------------------------------------- | ----------------- | ---------------------------------------------------- |
|-----------------------------------------------------------------------------|-------------------|------------------------------------------------------|
| [BUILDKIT_COLORS](#buildkit_colors) | String | Configure text color for the terminal output. |
| [BUILDKIT_HOST](#buildkit_host) | String | Specify host to use for remote builders. |
| [BUILDKIT_PROGRESS](#buildkit_progress) | String | Configure type of progress output. |
| [BUILDKIT_TTY_LOG_LINES](#buildkit_tty_log_lines) | String | Number of log lines (for active steps in tty mode). |
| [BUILDX_BUILDER](#buildx_builder) | String | Specify the builder instance to use. |
| [BUILDX_CONFIG](#buildx_config) | String | Specify location for configuration, state, and logs. |
| [BUILDX_EXPERIMENTAL](#buildx_experimental) | Boolean | Turn on experimental features. |
Expand All @@ -22,7 +23,7 @@ the behavior of features related to building:
| [BUILDX_GIT_LABELS](#buildx_git_labels) | String \| Boolean | Add Git provenance labels to images. |
| [BUILDX_NO_DEFAULT_ATTESTATIONS](#buildx_no_default_attestations) | Boolean | Turn off default provenance attestations. |
| [BUILDX_NO_DEFAULT_LOAD](#buildx_no_default_load) | Boolean | Turn off loading images to image store by default. |
| [EXPERIMENTAL_BUILDKIT_SOURCE_POLICY](#experimental_buildkit_source_policy) | String | Specify a BuildKit source policy file. |
| [EXPERIMENTAL_BUILDKIT_SOURCE_POLICY](#experimental_buildkit_source_policy) | String | Specify a BuildKit source policy file. |

See also
[BuildKit built-in build args](../../engine/reference/builder.md#buildkit-built-in-build-args).
Expand Down Expand Up @@ -80,6 +81,15 @@ Usage:
$ export BUILDKIT_PROGRESS=plain
```

## BUILDKIT_TTY_LOG_LINES

You can change how many log lines are visible for active steps in tty mode by
setting `BUILDKIT_TTY_LOG_LINES` to a number (default to `6`).

```console
$ export BUILDKIT_TTY_LOG_LINES=8
```

## EXPERIMENTAL_BUILDKIT_SOURCE_POLICY

Lets you specify a
Expand Down