Design a Distributed Image Build Service · System Design Interview

Design a Distributed Image Build ServiceDesign the service that turns a build definition into an image for every engineer and pipeline in the company, and reuses as much earlier work as it safely can.What it has to do

A build runs from a definition and a context, and produces an image

A step whose inputs have not changed is not run again

Two builds from the same inputs produce the same image

Scale

Builds per day: 150,000

Concurrent builds at peak: 2,000

Out of scope

Storing the resulting image

Source control integration

Deployment

Billing

Practise this challengeAll system design challenges

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