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Kubernetes for Application Developers: Pods, Deployments, Services and Probes

The handful of objects you need to ship an app, and the settings that keep it healthy.

MasterClass Buddy Editorial

Engineering editorial team · 9 min read ·

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What you will learn
  1. A Deployment keeps the right number of identical pods running.
  2. A Service gives pods a stable address and load balances across them.
  3. Readiness and liveness probes, plus resource requests, keep rollouts safe.

You do not need to know everything

Kubernetes has hundreds of features, which scares many developers away. To deploy a typical web service you need four objects: a Deployment, a Service, a ConfigMap or Secret, and an Ingress or Gateway.

Understanding those well, plus health probes and resource limits, covers most day-to-day work.

In the rest of this story
  1. How the pieces fit
  2. A deployment with probes and limits
  3. Common mistakes
1 code example · 9 min read in full
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MasterClass Buddy Editorial

Engineering editorial team. Contributing deep-dive engineering architectures, cloud paradigms, and system design insights to Master Class Buddy.