Kubernetes Ingress in 2026: Traefik vs Envoy Gateway vs Caddy for Automated Wildcard SSL

The Kubernetes Ingress landscape is evolving rapidly. For years, ingress-nginx was the default choice for almost every cluster. But with the emergence of the official Kubernetes Gateway API, and modern proxies like Traefik v3, Envoy Gateway, and Caddy, developers have far better alternatives for automated SSL, HTTP/3, and dynamic routing.

Feature Matrix: Ingress Controllers Compared

• Traefik v3: Native Kubernetes CRDs (IngressRoute), built-in Let's Encrypt ACME with DNS-01 challenge support, excellent middleware ecosystem for rate limiting and basic auth.
• Envoy Gateway: The enterprise standard for the Kubernetes Gateway API. Ultra-high performance, advanced traffic splitting, circuit breaking, and canary deployments.
• Caddy Ingress: The simplest zero-config HTTPS proxy on the planet. Built-in automatic TLS renewal with memory-efficient Go concurrency.

Traefik IngressRoute with Wildcard DNS-01 ACME

apiVersion: traefik.io/v1alpha1
kind: IngressRoute
metadata:
 name: api-gateway-ingress
 namespace: production
spec:
 entryPoints:
 - websecure
 routes:
 - match: Host(`api.anasrhimi.tech`) && PathPrefix(`/v1`)
 kind: Rule
 services:
 - name: backend-api-service
 port: 8080
 middlewares:
 - name: api-rate-limit
 - name: security-headers
 tls:
 secretName: wildcard-anasrhimi-tls