publish: true gemini: true tags:

• kubernetes
• site_reliability created: ‘2026-05-04 14:40’ last_modified: ‘2026-05-04 14:40:00’ status: evergreen confidence: stable

Ingress controllers route external HTTP traffic to internal Services

An Ingress controller acts as the single gateway for external traffic entering the cluster, reading URL paths and directing them to the correct internal service. It centralizes routing logic, preventing Local optimization often leads to global sub-optimization.¹

Footnotes

1. Kubernetes Documentation: Ingress. ↩