Howtoforge published a tutorial about how to create Multi-Container Pods in Kubernetes.

How to create Multi-Container Pods in Kubernetes

Pods usually have a single container i.e. single container pods are the most common use case and it is not necessary to have a single container in the pod. There are some use-cases when a single pod can have multiple containers inside it. The multi-container pods are the pods that contain two or more related containers that share resources like network space, shared volumes, etc and work together as a single unit.

How to create Multi-Container Pods in Kubernetes