Just finished setting up a managed k8s cluster along with an ingress load balancer by following this article: https://www.digitalocean.com/community/tutorials/how-to-set-up-an-nginx-ingress-with-cert-manager-on-digitalocean-kubernetes
With that out of the way, are there any next steps I should do to secure my cluster? e.g., should I set up a firewall?
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