What is sidecar in Kubernetes?

Related questions

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

Tags

1. #orchestration
2. #between
3. #particularly
4. #container
5. #functionality
6. #coupling
7. #platform
8. #useful
9. #composed
10. #extended
11. #sidecar
12. #containers
13. #enhanced
14. #application
15. #strong
16. #kubernetes
17. #pattern
18. #without
19. #using