What is controller in Kubernetes?

Related questions

1. What is Kubernetes master node?
2. Is a Kubernetes pod a container?
3. What are objects used for in Kubernetes?
4. What is Kubernetes CRD?
5. What is volume in Kubernetes?
6. What is network policy in Kubernetes?
7. How is Kubernetes different from Docker Swarm?
8. What is difference between Kubernetes and OpenShift?
9. What is sidecar in Kubernetes?
10. What is secret in Kubernetes?

Tags

1. #routine
2. #resource
3. #matches
4. #group
5. #particular
6. #state
7. #cluster
8. #correct
9. #maintains
10. #number
11. #example
12. #responsible
13. #running
14. #basically
15. #controller
16. #observed
17. #replica
18. #ensure
19. #kubernetes
20. #tasks
21. #world
22. #controllers
23. #desired