# How-to Library

- Canonical URL: https://docs.fairvisor.com/docs/reference/how-to-library/
- Section: docs
- Last updated: n/a
> Task-oriented shortcuts for common operator workflows.


## Quick tasks

- Limit traffic per user: [Rate Limit by User](/docs/cookbook/rate-limit-by-user/)
- Inspect one client with verbose headers: [Debug Session](/docs/reference/debug-session/)
- Roll out safely in dry-run: [Shadow Mode Rollout](/docs/cookbook/shadow-mode-rollout/)
- Block abuse immediately: [Kill Switch Incident Response](/docs/cookbook/kill-switch-incident-response/)
- Handle outages: [Runbooks](/docs/reference/runbooks/)

## Policy authoring tasks

- Validate policy shape: [Policy Lint Checklist](/docs/reference/policy-lint-checklist/)
- Enforce policy validation in standalone CI (no SaaS): [fairvisor validate](/docs/cli/validate/#standalone-ci-no-saas)
- Start from known-good patterns: [Golden Bundles](/docs/reference/golden-bundles/)
- Understand selector/rule mechanics: [Core Reference](/docs/reference/core-reference/)

## Ops tasks

- Set alerts and SLOs: [SLO and Alerting](/docs/reference/slo-alerting/)
- Set fail-open/fail-closed posture: [Gateway Failure Policy](/docs/reference/gateway-failure-policy/)
- Size runtime memory: [Capacity Planning](/docs/reference/capacity-planning/)