Create a pod named kucc8 with a single app container for each of the
following images running inside (there may be between 1 and 4 images specified):
nginx + redis + memcached.

Create an nginx pod which reads username as the environment variable

Get the list of pods of webapp deployment

Create a redis pod and mount "redis-config" as "redis.conf"
inside redis container, name the config volume as "redis-volume"
redis-config path - /opt/redis-config

Create a ETCD backup of kubernetes cluster
Note : You don't need to memorize command, refer -
https://kubernetes.io/docs/tasks/administer-cluster/configureupgrade-etcd/ during exam