Create builder image
A builder is an image that bundles all the bits and information on how to build your apps, such as buildpacks, an implementation of the lifecycle, and a build-time environment that pack uses when executing the lifecycle. When building an app, you can use community builders; you can see our suggestions by running
pack builders suggest
Creating a custom builder allows you to control what buildpacks are used and what image apps are based on. For more on how to create a builder, see: https://buildpacks.io/docs/operator-guide/create-a-builder/.
pack builder create <image-name> --config <builder-config-path> [flags]
pack builder create my-builder:bionic --config ./builder.toml
-R, --buildpack-registry string Buildpack Registry by name
-c, --config string Path to builder TOML file (required)
--flatten stringArray List of buildpacks to flatten together into a single layer (format: '<buildpack-id>@<buildpack-version>,<buildpack-id>@<buildpack-version>'
-h, --help Help for 'create'
-l, --label stringToString Labels to add to the builder image, in the form of '<name>=<value>' (default [])
--publish Publish the builder directly to the container registry specified in <image-name>, instead of the daemon.
--pull-policy string Pull policy to use. Accepted values are always, never, and if-not-present. The default is always
-t, --target strings Target platforms to build for.\nTargets should be in the format '[os][/arch][/variant]:[distroname@osversion@anotherversion];[distroname@osversion]'.
- To specify two different architectures: '--target "linux/amd64" --target "linux/arm64"'
- To specify the distribution version: '--target "linux/arm/v6:ubuntu@14.04"'
- To specify multiple distribution versions: '--target "linux/arm/v6:ubuntu@14.04" --target "linux/arm/v6:ubuntu@16.04"'
--force-color Force color output
--no-color Disable color output
-q, --quiet Show less output
--timestamps Enable timestamps in output
-v, --verbose Show more output