As of September 2021, this repository is no longer actively maintained by the GOV.UK Pay team.
Login to a PaaS environment using cf login
(see https://docs.cloud.service.gov.uk/get_started.html#get-started)
Target the appropriate space cf target -s {spacename}
then
cf push
Add network policy between ivr-demo and connector:
cf add-network-policy ivr-demo --destination-app card-connector --protocol tcp --port 8080