Index

Module 10 · From ScratchKubernetes

Build Your Own Kubernetes - From Scratch

The Map
The Map · Open board

Nine boards, each one thing this build adds, in the order that adding them actually happened.

Before you start. This series builds a small copy of Kubernetes: a program you tell what you want running, and which then keeps that true on its own, without you noticing when something breaks. Real Kubernetes does the same job, at the scale of a whole company’s machines. Four things this track already built come back here. A database series gave you a safe place to store facts. A log series gave you a way to stream every change as it happens. An HTTP-server series gave you a way for one program to ask another to do something over the network. A job-scheduler series gave you a loop that keeps retrying a job until it actually happens. It also gave you a way for several copies of one program to agree which single copy makes the decisions. You do not need to have read any of those; this lesson explains what it uses from them.

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