When to build an Operator vs a Helm chart
WHAT IT TESTS: tool selection judgment. OUTLINE: charts handle install-time templating; operators add continuous day-two logic like failover, backups, and scaling for stateful apps. RED FLAG: building an operator for a stateless app a chart would handle.
WHAT IT TESTS: whether you can match complexity to need. ANSWER OUTLINE: choose a Helm chart or plain manifests when deployment is mostly install-time templating and the app needs no ongoing custom logic, common for stateless services. Choose an operator when you need continuous day-two operations: automated failover, backups and restores, version-aware upgrades, scaling with data rebalancing, or reacting to runtime events, typically for complex stateful systems like databases.
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- #kubernetes
- #operators
- #helm
- #stateful
- #architecture
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