Set GOVUK_ASSET_HOST to the contents of /etc/govuk/asset_host.conf
Set GOVUK_ASSET_HOST to the contents of /etc/govuk/asset_host.conf

This can then be used in apps

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet