What is Ingress?
A Kubernetes API object that manages external HTTP/HTTPS access to cluster services.
A Kubernetes Ingress resource defines rules for routing external HTTP and HTTPS traffic to services inside the cluster. Rules can match on hostname (api.example.com) and path (/api, /web). Ingress requires an Ingress Controller (nginx-ingress, Traefik, HAProxy) to be installed — the controller reads Ingress resources and configures the reverse proxy. TLS termination can be handled at the Ingress level using certificates from cert-manager.
Deep Dive Guide
how to migrate ingress nginx to gateway api
Related Terms
More Kubernetes Terms
Admission Controller
A Kubernetes plugin that intercepts API requests before objects are persisted.
Auto Scaling
Automatically adjusting the number of compute resources based on demand.
ClusterIP
The default Kubernetes Service type that exposes a service on an internal cluster IP.
ConfigMap
A Kubernetes object for storing non-sensitive configuration data as key-value pairs.
Controller Manager
Kubernetes control plane component running control loops to maintain desired state.
CoreDNS
The default DNS server in Kubernetes clusters for service discovery.
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