Ingress is stuck while deleting. Cause AWS-LoadBalancer-Controller is not able to delete the ALB Security group it has created. · Issue #1879 · kubernetes-sigs/aws-load-balancer-controller · GitHub
Ingress Controller randomly referencing deleted services causing 503's · Issue #2302 · kubernetes/ingress-nginx · GitHub
![DOKS Operational Readiness, Part 1: Install the NGINX Ingress Controller :: DigitalOcean Documentation DOKS Operational Readiness, Part 1: Install the NGINX Ingress Controller :: DigitalOcean Documentation](https://docs.digitalocean.com/screenshots/kubernetes/starter-kit-nginx-setup-overview.e5d03e8512a933712e252185479ea8e7e14620a8706930cf9cf639d5a625c513.png)
DOKS Operational Readiness, Part 1: Install the NGINX Ingress Controller :: DigitalOcean Documentation
![Deploying K8 ingress controller for OpenShift or Kubernetes - Documentation for BMC Helix IT Operations Management deployment 21.05 - BMC Documentation Deploying K8 ingress controller for OpenShift or Kubernetes - Documentation for BMC Helix IT Operations Management deployment 21.05 - BMC Documentation](https://docs.bmc.com/docs/HelixOperationsManagementDeploy/files/1020715606/1036260382/1/1627989740208/ingress_controller.png)