Container

• A virtualize B means a create a mapping layer above

容器与虚拟机 | Atlassian

	VM	Container
Virtualize ?	hardware	os system (kernel)
Speed	much faster start, destroy	slow
Isolation	relatively low, share the same kernel of operating system	very high, kernel is totally separated.
Space	less	consume a lot of storage

Docker vs Kubernetes

• Docker virtualize a single machine and allows deployment cross machines.
• K8s virtuaize infrastructure and allows deployment cross data centers and auto-scaling.