What is Pod in kubernetes. Explain 15 points with image as an example

• It is an atomic scheduling unit in a Kubernetes cluster.
• It is a logical unit.
• Every container running in the cluster nodes will be wrapped up by the POD.
• In one POD there can be multiple container running. It is called tight coupling.
• Prefered way is run one container in one POD. It is called loose coupling.
• Each POD will have its own IP address.
• There will be POD nw connecting all the PODS in a cluster irrespective of the nodes.
• Can communicate with each container by <POD IP>:<Container port>
• All the contaniers in a POD can share the POD environment like networking.
• PODs can specify the shared storage volumes and every container in the POD can access it.
• Inside the POD the containers can communicate using localhost.
• Containers with in the POD can also communicate using any IPC mechanism.
• Containers with in different PODs can’t communicate using any IPC mechanism, without some special configuration.
• POD has only two states: Pending and Running.
• PODs can’t be re-deployed. So all the data associated with PODS will be lost once, it is down.