Monitoring container in EKS

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Hello guys,
My team has deployed a monolithic application on top of EKS.
And now sometimes the applications go down and we don’t know exactly what is the problem.
We use prometheus and Cloudwatch as monitoring solution, but we want to find a way to monitor our container deeply in the application side ( the components and services running in that container not just CPU & RAM ) to find out the real causes of the problems.

Is there anyone can give me a suitable solution with prometheus that can be implemented in the PROD env ?