Design a Container Daemon · System Design Interview

Design a Container DaemonDesign the long-running process on each host that creates, supervises and removes containers on request, and keeps doing so when it is restarted or upgraded.What it has to do

Create, start, stop and remove containers through a local API

Restart a container according to its policy when its process exits

Report the state of every container on the host, accurately, on request

Scale

Containers running per host: 400

Container starts per host per minute at peak: 600

Out of scope

Building images

Scheduling across hosts

The command line client

Container networking

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