I am new to Dockers and containers. I was going through the tutorials for docker and came across this information. https://docs.docker.com/get-started/part3/#docker-composeyml
networks:
- webnet
networks:
webnet:
What is webnet? The document says
Instruct web’s containers to share port 80 via a load-balanced network called webnet. (Internally, the containers themselves will publish to web’s port 80 at an ephemeral port.)
So, by default, the overlay network is load balanced in docker cluster? What is load balancing algo used?
Actually, it is not clear to me why do we have load balancing on the overlay network.