Commit 46bce4d4 authored by Hordur Freyr Yngvason's avatar Hordur Freyr Yngvason Committed by Amy Qualls

Add documentation for AUTO_DEVOPS_BUILD_IMAGE_CNB_BUILDER

parent cbe72dd1
---
title: Customize the Cloud Native Buildpack builder used with Auto Build
merge_request: 32691
author:
type: added
......@@ -302,6 +302,7 @@ applications.
| `<ENVIRONMENT>_ADDITIONAL_HOSTS` | For a specific environment, the fully qualified domain names specified as a comma-separated list that are added to the Ingress hosts. This takes precedence over `ADDITIONAL_HOSTS`. |
| `AUTO_DEVOPS_ATOMIC_RELEASE` | As of GitLab 13.0, Auto DevOps uses [`--atomic`](https://v2.helm.sh/docs/helm/#options-43) for Helm deployments by default. Set this variable to `false` to disable the use of `--atomic` |
| `AUTO_DEVOPS_BUILD_IMAGE_CNB_ENABLED` | When set to a non-empty value and no `Dockerfile` is present, Auto Build builds your application using Cloud Native Buildpacks instead of Herokuish. [More details](stages.md#auto-build-using-cloud-native-buildpacks-beta). |
| `AUTO_DEVOPS_BUILD_IMAGE_CNB_BUILDER` | The builder used when building with Cloud Native Buildpacks. The default builder is `heroku/buildpacks:18`. [More details](stages.md#auto-build-using-cloud-native-buildpacks-beta). |
| `AUTO_DEVOPS_BUILD_IMAGE_EXTRA_ARGS` | Extra arguments to be passed to the `docker build` command. Note that using quotes won't prevent word splitting. [More details](#passing-arguments-to-docker-build). |
| `AUTO_DEVOPS_BUILD_IMAGE_FORWARDED_CI_VARIABLES` | A [comma-separated list of CI variable names](#passing-secrets-to-docker-build) to be passed to the `docker build` command as secrets. |
| `AUTO_DEVOPS_CHART` | Helm Chart used to deploy your apps. Defaults to the one [provided by GitLab](https://gitlab.com/gitlab-org/charts/auto-deploy-app). |
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......@@ -53,7 +53,9 @@ troubleshoot.
Auto Build supports building your application using [Cloud Native Buildpacks](https://buildpacks.io)
through the [`pack` command](https://github.com/buildpacks/pack). To use Cloud Native Buildpacks,
set the CI variable `AUTO_DEVOPS_BUILD_IMAGE_CNB_ENABLED` to a non-empty value.
set the CI variable `AUTO_DEVOPS_BUILD_IMAGE_CNB_ENABLED` to a non-empty
value. The default builder is `heroku/buildpacks:18` but a different builder
can be selected using the CI variable `AUTO_DEVOPS_BUILD_IMAGE_CNB_BUILDER`.
Cloud Native Buildpacks (CNBs) are an evolution of Heroku buildpacks, and
will eventually supersede Herokuish-based builds within Auto DevOps. For more
......
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