pods maintains container

2. ReplicaSets manage pods

Deployment is a higher-level concept that manages ReplicaSets and provides declarative updates to

Pods along with a lot of other useful features

3.

4. Service expose the pod process to the outside world

Config Map and Secrets Both are store the data the same way, with key/value pairs, but ConfigMaps

are meant for plain text data, and secrets are meant for data that you don't want anything or anyone to

know about except the application

5.

the replication controller only supports equality-based selectors whereas the replica set supports setbased selectors

6.

Replica Set is the next generation of Replication Controller. Replication controller is kind of imperative,

but replica sets try to be as declarative as possible