Quick Recap

Excellent! We’ve been Docker Machining and Swarming like a boss. We’ve deployed our application to not one, but two cloud providers, creating the infrastructure we needed as we went.

To recap:

  1. We covered the steps necessary to create a multinode Swarm cluster on DigitalOcean or AWS.

  2. We deployed our application to the Swarm cluster by making our Docker CLI target the manager node:

    ​ ​$ ​​eval​​ ​​$(docker-machine​​ ​​env​​ ​​do-manager-1)​

    and then deploying the application:

    ​ ​$ ​​docker​​ ​​stack​​ ​​deploy​​ ​​-c​​ ​​docker-stack.yml​​ ​​myapp​

  3. We used the visualizer to see the placement of containers on our nodes.

  4. We learned about deploy: options that can be specified in our docker-stack.yml file, including placement constraints. ...

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