Downloaded via
ytt --ignore-unknown-comments \
-f https://github.com/knative/serving/releases/download/knative-v1.1.0/serving-core.yaml \
-f https://github.com/knative/serving/releases/download/knative-v1.1.0/serving-crds.yaml \
-f https://github.com/knative/net-istio/releases/download/knative-v1.1.0/istio.yaml \
-f https://github.com/knative/net-istio/releases/download/knative-v1.1.0/net-istio.yaml \
-f https://github.com/knative/serving/releases/download/knative-v1.1.0/serving-default-domain.yaml > config.yml