Docker is kind of a VM lite, or is it?

• share OS: OS based virtualization (i.e. Linux)
• more application delivery technology than virtualization tech: https://blog.docker.com/2016/03/containers-are-not-vms

Business reasons

• enables microservices
• standardized runnable units
• across environments DTAP (Development to Production)

Technical advantages

• small memory footprint
• boot much quicker

Background information

What is Docker? https://www.docker.com/what-docker