Kubernetes
Table of contents
How pods talk to each other
/etc/resolv.conf file
DNS server in K8s
Core DNS
kubectl get pod -n kube-system
#there will be 2 coredns pods
Whenever a SERVICE is created in the cluster, CoreDNS creates the record for that service & the record maps the name to the service to that IP address.
Any pod in the cluster can now reach the service through it's name