apiVersion: networking.k8s.io/v1 kind: Ingress metadata: name: nginx-configuration-snippet annotations: nginx.ingress.kubernetes.io/configuration-snippet: | more_set_headers "Request-Id: $req_id"; spec: ingressClassName: nginx rules: - host: custom.configuration.com http: paths: - path: / pathType: Prefix backend: service: name: http-svc port: number: 80