The article explains the fundamental differences between kubectl apply and replace commands in Kubernetes, with apply being a smart declarative approach that considers three configuration states, whil
e replace is an imperative command that completely overwrites existing configurations. The article provides detailed examples and explains how the last-applied configuration is stored and used in the update process.
Reasons to Read -- Learn:
how kubectl apply's three-state configuration system (local, live, and last-applied) works in practice, with detailed examples showing how it manages updates and maintains state history
crucial operational differences between declarative (apply) and imperative (replace) approaches in Kubernetes resource management, helping you make better decisions about which command to use in different scenarios
where and how Kubernetes stores the last-applied configuration as annotations, which is essential knowledge for troubleshooting and understanding configuration management in production environments
publisher: @srivastavaaaradhy02
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