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Ingress

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Architecture
From 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
Operations
Why your app sees the wrong IP behind the load balancer
Every visitor comes from the same IP, the login limit locks out all customers at once, and the allowlist lets nobody in. That’s not an attack, that’s the load balancer.
- Ingress
- Scaleway
- Kubernetes
Security
Let’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