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This article is about how to use swarm in Docker. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Swarm three virtual machines 132133134

1. Initialize a cluster and add yourself to the cluster

# initialize the master node docker swarm init-- advertise-addr 192.168.220.13mm 133134 join worker to execute docker swarm join-token worker # add work (manager-- master node management node) # execute docker swarm join--token SWMTKN-1-49blzc9unsa1e8vcb4sonqx2q2rq02588jqjbhfzykowgtaoy1-57s37b21k0h49j0ywf6vd6la1 192.168.220.132 worker 2377 corresponding to the machine

two。 View Node docker node ls

3. Primary node creates a service nginx replicas 1 (a service)

Docker service create-- replicas 1-- name manageNg-p 80:80 nginx

All three ip can be accessed normally, and there is only one container instance.

View Service: docker service ls

Docker service ls

Dynamic scaling: docker service scale manageNg=5

Create five services

Docker service scale manageNg=5

5. View the instance; docker service ps manageNg

Thank you for reading! This is the end of the article on "how to use swarm in Docker". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it for more people to see!

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