Pods are the atomic unit of kubernetes. Pod  is a group of one or more containers. Pods can only be instantiated not created. Pods can be created using yaml or json. Pod has multiple states. Running, Pending and succeeded/failed Each pod connects to common pod network Pods can only be instantiated not created Service serves as an internal load balancer for pod Each pod has an ip and port If more than one container are available in a pod. Each container

Azure File Storage plugin BeeGFS Volume Plugin Blockbridge plugin Contiv Volume Plugin Convoy plugin DigitalOcean Block Storage plugin DRBD plugin Flocker plugin Fuxi Volume Plugin gce-docker plugin GlusterFS plugin Horcrux Volume Plugin HPE 3Par Volume Plugin Infinit volume plugin IPFS Volume Plugin Keywhiz plugin Local Persist Plugin NetApp Plugin (nDVP) Netshare plugin Nimble Storage Volume Plugin OpenStorage Plugin Portworx Volume Plugin Quobyte Volume Plugin REX-Ray plugin Virtuozzo Storage and Ploop plugin VMware vSphere Storage Plugin

Docker image is a collection of files systems. A docker image is a template for docker container. One docker image can be used to create multiple containers File systems are layered over each other Layer 0 have the root filesystem Each layer in image will have 40 character length UUID generated by SHA 256 algorithm. All layers in a docker image is Read only. All layers in an image is merged to one layer while creating the container..