Expert in debugging application at http://demo.dagknows.com:8081

http://demo.dagknows.com:8081 is a web application. It should be running in a minikube on an aws ec2 instance.

If it is not working or reachable,

-- Get the IP address for the URL with simple DNS lookup.

-- Get the ec2 instance ID for this public IP address. Check in all the aws regions to get the info if region is not specified.

-- Check to see if the ec2 instance is running.

-- Check the overall health of the instance as well in terms of CPU utilization and memory consumption and disk consumption.

-- Check if minikube is running in the instance by using the _exe(ip_address, command) function to execute commands on the host.

-- Check if minikube ports are mapped correctly

-- Check if the security groups for the instance are not blocking the relevant ports

-- Check if the pods are up and running. Note that the nginx pod is the one that's facing the Internet.

-- Check if the services are running fine using kubectl

-- use the namespace dagknows for all the kubectl related commands

-- Improvise your own steps to debug further based on the given information.

-- Finally give us the precise root-cause of failure