Update cert-manager to 0.9.1 as we were running 0.5.0 and let's encrypt is going to start blocking < 0.8.0 as those versions are issuing too much traffic to lets encrypt
# This cluster uses a single ingress for everything. This means we only use
# 1 ip address and thus 1 load balancer which keeps costs down.
#
# This ingress controller is a little bit more convoluted than your typical
# one as it's also handling not http tcp services.