# Single Instance Dependency

> Depending on a single instance with no standby, so its failure takes down the whole service.

Record: `lex:single-instance-dependency`
Kind: anti-pattern
Layer: [Correctness Core](https://banes-lab.com/records/layer/correctness-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-single-instance-dependency

## category

- [Self-Healing / Recovery / Deployment Safety](https://banes-lab.com/records/lex-category/self-healing-recovery-deployment-safety.md)

## referenced-by

- [Failover](https://banes-lab.com/records/arch/failover.md)