# In-Place Server Mutation

> Modifying running servers in place over time, so their state drifts and can no longer be reproduced.

Record: `lexicon:in-place-server-mutation`
Kind: anti-pattern
Layer: [Resource Core](https://banes-lab.com/records/layer/resource-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-in-place-server-mutation

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Deterministic Redeploys](https://banes-lab.com/records/lexicon/deterministic-redeploys.md) and before [Instance Replacement over Mutation](https://banes-lab.com/records/lexicon/instance-replacement-over-mutation.md).

## Category

- [Portability / Infrastructure / Deployment](https://banes-lab.com/records/lexicon-category/portability-infrastructure-deployment.md)

## Negated by

- [Immutable Infrastructure](https://banes-lab.com/records/architecture/immutable-infrastructure.md)

## Linked from

- [Portability / Infrastructure / Deployment](https://banes-lab.com/ontology/principles/architecture-category-portability-infrastructure-deployment.md)