Replace nginx with Caddy as the default ingress controller for kind
deployments. Caddy provides automatic HTTPS via Let's Encrypt without
requiring cert-manager.
Changes:
- Add ingress-caddy-kind-deploy.yaml manifest with full RBAC setup
- Modify helpers.py to support configurable ingress_type parameter
- Update cluster_info.py to use caddy ingress class
- Add port 443 mapping for HTTPS support in kind config
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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