Cloud not get EKS gatekeeper setup running

So i was following the part of the demo in the openshift keycloak into my eks cluster. but could not access the url nip. io. The gatekeeper is running fine I can access the keycloak and set the app(my-app is the app name)

My setting is as following from, deploying from this and could not get any nginx running.
Error encounter in kubectl

nginx-85b56d8d6c-z47hk 1/2 CrashLoopBackOff 102 9h

Description to the deployment

k log -n default nginx-85b56d8d6c-z47hk
log is DEPRECATED and will be removed in a future version. Use logs instead.
Error from server (BadRequest): a container name must be specified for pod nginx-85b56d8d6c-z47hk, choose one of: [nginx gatekeeper]