Ingress:

If you are using Ingress, it is possible to add the proxy_set_header for “X-JFrog-Override-Base-Url” under the annotation section as shown below.

ingress:
  enabled: true
  defaultBackend:
    enabled: false
  hosts:
    - myhost.example.com
  annotations:
    ingress.kubernetes.io/force-ssl-redirect: "true"
    ingress.kubernetes.io/proxy-body-size: "0"
    ingress.kubernetes.io/proxy-read-timeout: "600"
    ingress.kubernetes.io/proxy-send-timeout: "600"
    kubernetes.io/ingress.class: nginx
    nginx.ingress.kubernetes.io/configuration-snippet: |
      proxy_set_header    X-JFrog-Override-Base-Url https://<artifactory-domain>;
    nginx.ingress.kubernetes.io/proxy-body-size: "0"
  tls:
    - hosts:
      - "myhost.example.com"

Reference article:
https://jfrog.com/help/r/jfrog-installation-setup-documentation/security-related-issues#Using%20Ingress%20Annotations