ingress-nginx-helm/docs/examples/affinity/cookie/ingress-samesite.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: cookie-samesite-none
  annotations:
    nginx.ingress.kubernetes.io/affinity: "cookie"
    nginx.ingress.kubernetes.io/session-cookie-name: "SSNONE"
    nginx.ingress.kubernetes.io/session-cookie-expires: "172800"
    nginx.ingress.kubernetes.io/session-cookie-max-age: "172800"
    nginx.ingress.kubernetes.io/session-cookie-samesite: "None"
    nginx.ingress.kubernetes.io/session-cookie-conditional-samesite-none: "true" # omits SameSite=None for older browsers which reject cookies with SameSite=None
spec:
  rules:
  - host: stickyingress-samesite-none.example.com
    http:
      paths:
      - backend:
          serviceName: http-svc
          servicePort: 80
        path: /
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: cookie-samesite-strict
  annotations:
    nginx.ingress.kubernetes.io/affinity: "cookie"
    nginx.ingress.kubernetes.io/session-cookie-name: "STRICTCOOKIENAME"
    nginx.ingress.kubernetes.io/session-cookie-expires: "172800"
    nginx.ingress.kubernetes.io/session-cookie-max-age: "172800"
    nginx.ingress.kubernetes.io/session-cookie-samesite: "Strict"
spec:
  rules:
  - host: stickyingress-samesite-strict.example.com
    http:
      paths:
      - backend:
          serviceName: http-svc
          servicePort: 80
        path: /