How to reload k8s DaemonSet of traefik when tls.certificates certFile and keyFile updated?

How to reload k8s DaemonSet of traefik when tls.certificates certFile and keyFile updated?

my config file is:

[tls]
[[tls.certificates]]
certFile = "/etc/traefik-ssl/domain.com.crt"
keyFile = "/etc/traefik-ssl/domain.com.key"

how to reload traefik take affect when certFile and keyFile changed ?