waffle_deb:
provisioner: docker
images: ['waffleimage/debian8', 'waffleimage/debian9', 'waffleimage/ubuntu14.04', 'waffleimage/ubuntu16.04', 'waffleimage/ubuntu18.04']
waffle_deb:
provisioner: docker
images: ['waffleimage/debian8', 'waffleimage/debian9', 'waffleimage/ubuntu14.04', 'waffleimage/ubuntu16.04', 'waffleimage/ubuntu18.04']