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7/24/2026
Deploying Gateway API with TLS Encryption on Kubernetes

Deploying Gateway API with TLS Encryption on Kubernetes

Short summary

A hands-on guide to deploying the Kubernetes Gateway API with Envoy Gateway as the controller and cert-manager for automated Let's Encrypt TLS. Covers installing CRDs, registering a GatewayClass, configuring a ClusterIssuer for HTTP-01 validation, and creating Gateway and HTTPRoute resources to serve HTTPS traffic. Includes full YAML manifests and kubectl commands for a production-ready setup.

  • •Install Envoy Gateway and cert-manager with Gateway API feature gate enabled
  • •Configure a Let's Encrypt ClusterIssuer using HTTP-01 solver via Gateway
  • •Create Gateway with HTTPS listener and HTTPRoute to route traffic securely

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