1. Container

• One OS installed on the server
• Container is slice of the operating system
• Smaller and faster than VM
• Nothing to boot and shutdown because only one OS

2. Docker

• Makes running apps inside containers really easy
• containerised apps
• Key for moving to a modern, cloud native, micro-services design

3. Kubernetes

• borg, omega, kubernetes
• containerised apps at scale
• issues commands to docker instances telling them when to stop and start
• spins up more containers when load increases, and reduces containers when load decreases
• fixes issues, self healing