when I write those apps which IP:PORT combination do I use? Is it any of the worker node IP’s running these services? You can use any node that is participating in the swarm, even if there is no replica of the service in question exists on that node. So you will use Node:HostPort combination. The … Read more
docker swarm leave is used when you want a worker node to leave from swarm , while docker swarm leave –force is for a manager node to leave the swarm.
After discovering that this is massively undocumented,here’s the correct way to mount a NFS volume using stack and docker compose. The most important thing is that you need to be using version: “3.2” or higher. You will have strange and un-obvious errors if you don’t. The second issue is that volumes are not automatically updated … Read more
Conceptually, both files serve the same purpose – deployment and configuration of your containers on docker engines. Docker-compose tool was created first and its purpose is “for defining and running multi-container Docker applications” on a single docker engine. (see docker compose overview ) You use docker-compose up to create/update your containers, networks, volumes and so … Read more
It will probably help to start with a few definitions: docker-compose: Command used to configure and manage a group of related containers. It is a frontend to the same api’s used by the docker cli, so you can reproduce it’s behavior with commands like docker run. docker-compose.yml: Definition file for a group of containers, used … Read more