Pivotal Cloud Foundry v1.7

Adding Buildpacks to Cloud Foundry

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If your application uses a language or framework that Cloud Foundry system buildpacks do not support, you can write your own buildpack, customize an existing buildpack, or use a Cloud Foundry Community Buildpack or a Heroku Third-Party Buildpack. You can add the new buildpack to Cloud Foundry, making it available alongside the system buildpacks.

The cf Admin-Only Buildpack Commands

Note: You must be an administrator for your Cloud Foundry org to run the commands discussed in this section.

To add a buildpack, run:

$ cf create-buildpack BUILDPACK PATH POSITION [--enable|--disable]

The arguments to cf create-buildpack do the following:

  • buildpack specifies what you want to call the buildpack.

  • path specifies where to find the buildpack. The path can point to a zip file, the URL of a zip file, or a local directory.

  • position specifies where to place the buildpack in the detection priority list. See Buildpack Detection.

  • enable or disable specifies whether to allow apps to be pushed with the buildpack. This argument is optional, and defaults to enable. While a buildpack is disabled, app developers cannot push apps using that buildpack.

You can also rename, update and delete buildpacks. For more information, run cf rename-buildpack -h, cf update-buildpack -h and cf delete-buildpack -h.

Confirming that a Buildpack was Added

To confirm that you have successfully added a buildpack, view the available buildpacks by running cf buildpacks.

The example below shows the cf buildpacks output after the administrator added a python buildpack.

$ cf buildpacks
Getting buildpacks...

buildpack          position   enabled   locked   filename
ruby_buildpack     1          true      false
nodejs_buildpack   2          true      false
java_buildpack     3          true      false
python_buildpack   4          true      false

Disabling Custom Buildpacks

You can disable custom buildpacks using your Ops Manager Elastic Runtime tile. From the Cloud Controller tab, check the Disable Custom Buildpacks checkbox, as shown in the image below.

By default, the cf CLI gives developers the option of using a custom buildpack when they deploy apps to Elastic Runtime. To do so, they use the -b option to provide a custom buildpack URL with the cf push command. The Disable Custom Buildpacks checkbox disables the -b option.

For more information about custom buildpacks, refer to the buildpacks section of the PCF documentation.

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