NGINX Ingress Controller provides Kubernetes traffic management with API gateway, identity, and observability features. NGINX Ingress Controller provides a feature set to secure, strengthen, and scale containerized apps, including: Advanced app‑centric configuration – Use role‑based access control (RBAC) and self‑service to set up security guardrails (not gates), so teams can manage their apps securely and with agility. Enable multi‑tenancy, reusability, and simpler configs. Visibility and performance monitoring – Pinpoint undesirable behaviors and performance bottlenecks to simplify troubleshooting and make fixes faster. NGINX Ingress resources – A native, type‑safe, and indented configuration style to simplify capabilities like circuit breaking, sophisticated routing, header manipulation, mTLS authentication, and NGINX App Protect Web Application Firewall (WAF).  For users of NGINX, NGINX Ingress resources is designed to make it easy to adapt existing configuration from other environments.