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▸Software Enginner1

▸Kubernetes16

▸GitHub Actions15

Fix bugs or Add features docker system prune curl API testing: repeat 100×, load & timing Install .deb files & alternative install methods (Ubuntu)

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Procedure3 weeks ago

Deploy your first app (Deployment + Service)

Run a stateless app with 3 replicas, health probes and resource limits, expose it inside the cluster with a Service, and test it with port-forward.

Checklist3 weeks ago

Kubernetes manifest best practices

A pre-merge checklist for Deployments and Services: health, resources, security, config and release safety.

Trouble3 weeks ago

Pod stuck in CrashLoopBackOff

The container starts, exits, and Kubernetes backs off before restarting it. The pod is a symptom the cause is almost always in the previous container log or the probe config.

Procedure3 weeks ago

Rolling update and rollback

Ship a new image version with zero downtime, watch the rollout, and roll back instantly if it fails.

Command3 weeks ago

Scaling and autoscaling (HPA)

Scale a Deployment by hand, or let the HorizontalPodAutoscaler follow CPU or memory. Needs metrics-server and CPU requests on the pods.

Kubernetes · Knowledge & Memory Center