Pod stuck in Pending or FailedScheduling? See why (CPU/memory shortage, node selectors, taints, PVC) and fix with exact commands.
Browsing: Kubernetes
ImagePullBackOff means Kubernetes cannot pull your container image. See why (wrong tag, private registry, rate limit) and fix it with exact commands.
OOMKilled (exit code 137) means your pod ran out of memory. Learn to diagnose with kubectl top, set correct limits, and understand QoS classes.
kind vs minikube vs k3d: compare startup, memory, ingress, and local images to pick a local cluster.
CrashLoopBackOff means your pod keeps crashing. See 7 common causes and exact commands to diagnose and fix each one.
Docker Compose vs Kubernetes: map one web, API, and Postgres stack and choose the right runtime.
Master kubectl: context switching, viewing resources, logs, exec, port-forward, deployments, debugging, and output formats for Kubernetes 1.30+.