What problem does Helm solve over raw Kubernetes YAML?
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Quick Answer
It parameterizes and packages manifests into versioned, installable releases you can upgrade and roll back.
Detailed Answer
Raw YAML doesn't template, so multi-environment deploys mean copy-paste. A Helm chart bundles templated manifests + default values; installing creates a tracked release. You override values per environment and get atomic upgrades and instant rollbacks instead of hand-editing YAML.
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Interview Tip
Frame it as templating + release lifecycle management.
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