How do I set up Metrics Server and Horizontal Pod Autoscaler on an Amazon EKS cluster?

Hi Team, I'm having the issue while cloning the repository from GitHub, but I can't able to see the deploy directory. The main k8s team has changed or something else? can anyone help me out ..

I clone the reposetry , the "deploy" directory, i canot found

Thanks, iam looking for custom metrics HPA with regarding requests-per-second

Thanks nicely explained. Tried the same but not working in my case, the metric server is failing to fetch the metric here are some logs

I0715 06:57:20.873052 1 serving.go:312] Generated self-signed cert (apiserver.local.config/certificates/apiserver.crt, apiserver.local.config/certificates/apiserver.key)
W0715 06:57:21.506843 1 authentication.go:281] Cluster doesn't provide client-ca-file in configmap/extension-apiserver-authentication in kube-system, so client certificate authentication won't work.
I0715 06:57:21.525281 1 secure_serving.go:116] Serving securely on [::]:443
E0715 07:00:21.553384 1 manager.go:111] unable to fully collect metrics: unable to fully scrape metrics from source kubelet_summary:ip-192-168-88-139.us-west-2.compute.internal: unable to get CPU for container "hpa-example" in pod default/php-apache-64cdb4fdc4-nmmkt on node "ip-192-168-88-139.us-west-2.compute.internal", discarding data: missing cpu usage metric
E0715 07:01:02.559634 1 reststorage.go:147] unable to fetch pod metrics for pod default/php-apache-5b84df5f6f-pvcwn: no metrics known for pod
E0715 07:01:17.569580 1 reststorage.go:147] unable to fetch pod metrics for pod default/php-apache-5b84df5f6f-pvcwn: no metrics known for pod

event after starting load
NAME REFERENCE TARGETS MINPODS MAXPODS REPLICAS AGE
php-apache Deployment/php-apache <unknown>/50% 1 10 1 37s
php-apache Deployment/php-apache 0%/50% 1 10 1 45s