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TLS
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ArchitectureFrom ingress-nginx to Envoy Gateway: switching controllers without a dark window
Change the ingress class and deploy: the new controller serves, the old one no longer does, and DNS still points at the old one. The host answers 404 until the TTL expires. Here’s a better way.
- Ingress
- Kubernetes
- TLS
SecurityLet’s Encrypt rate limits: why SaaS subdomains need a wildcard certificate
Fifty certificates per domain per week sounds like a lot. Until the fiftieth customer gets stuck in onboarding and the certificate won’t arrive until next week.
- TLS
- SaaS
- Ingress