Linking Apps

External DNS

Gateways

• Gateway sources

https://kubernetes-sigs.github.io/external-dns/latest/docs/sources/gateway/

Routes

• Gateway API Route Sources

https://kubernetes-sigs.github.io/external-dns/latest/docs/sources/gateway-api/

Cert-Manager

First we need to enable Gateway Api Support in our controller

config:
  apiVersion: controller.config.cert-manager.io/v1alpha1
  kind: ControllerConfiguration
  enableGatewayAPI: true

Then we can annotate a gateway to generate the certificates

apiVersion: gateway.networking.k8s.io/v1
kind: Gateway
metadata:
  name: example
  annotations:
    cert-manager.io/issuer: foo

• Annotated Gateway resource

https://cert-manager.io/docs/usage/gateway/

• Envoy Proxy

https://gateway.envoyproxy.io/docs/tasks/security/tls-cert-manager/