Day1-assignment

• What is Kubernetes?
  Kubernetes is an Orchestration tool managing multiple workloads running across a cluster of nodes.

• What are the 10 feature which we need at prod level, Kubernetes has it

1. Auto-scaling
2. Persistent Storage
3. Load Balancing
4. Auto replication
5. Automatic deployments
6. Auto-restart of applications
7. Security
8. cluster logging
9. storage orchestration
10. patching quickly underlying applicaitons and k8s for regular updates

• Architecture of Kubernetes and few lines for each component The architecture contains of Master nodes and worker nodes.
• Master node comprises: Controller Manager - manages controllers in cluster. controllers - controls loops and watches state of cluster. Scheduler - assigns pods to nodes Api server - communicates to controller & scheduler etcd - key value store used asfor all cluster data

1. Worker node comprises Pods - smallest unit representing an instance . May contain 1 or more container. Kubelet - creates, destroys, updates container nodes Proxy - manages network across nodes.

• What is POD, write a 10 lines explaination on POD

POD is the smallest deployable unit in K8s.
Can contain 1 or more containers.
single instance running process in a cluster.