waffle_deb:
provisioner: docker
images: ['waffleimage/debian8', 'waffleimage/debian9', 'waffleimage/ubuntu14.04', 'waffleimage/ubuntu16.04', 'waffleimage/ubuntu18.04']
+release_checks:
+ provisioner: vmpooler
+ images: ['debian-8-x86_64', 'debian-9-x86_64', 'ubuntu-1404-x86_64', 'ubuntu-1604-x86_64', 'ubuntu-1804-x86_64']