When the Pod is created according to service/networking/custom-dns.yaml, the container test gets the following contents in its /etc/resolv.conf file:
nameserver 1.2.3.4
search ns1.svc.cluster.local my.dns.search.suffix
options ndots:2 edns0
service/networking/custom-dns.yaml
apiVersion: v1
kind: Pod
metadata:
namespace: default
name: dns-example
spec:
containers:
- name: test
image: nginx
dnsPolicy: "None"
dnsConfig:
nameservers:
- 1.2.3.4
searches:
- ns1.svc.cluster.local
- my.dns.search.suffix
options:
- name: ndots
value: "2"
- name: edns0