nginx ingress 注解

nginx.ingress.kubernetes.io/backend-protocol (用于替换旧版本中的secure-backends)
nginx.ingress.kubernetes.io/ssl-passthrough
nginx.ingress.kubernetes.io/ssl-redirect

nginx.ingress.kubernetes.io/proxy-ssl-verify
nginx.ingress.kubernetes.io/proxy-ssl-protocols
nginx.ingress.kubernetes.io/proxy-ssl-secret

nginx.ingress.kubernetes.io/default-backend

nginx.ingress.kubernetes.io/permanent-redirect
nginx.ingress.kubernetes.io/permanent-redirect-code
nginx.ingress.kubernetes.io/proxy-http-version

https://github.com/kubernetes/ingress-nginx/blob/main/docs/user-guide/nginx-configuration/annotations.md