Pushing updates to an application

Pushing updates to deployed applications is a fact of life and for the longest time, it was really painful. I’ve lost more than enough weekends to major application updates, and I’ve no intention of doing it again.

Well, thanks to Docker services, pushing updates to well-designed microservices apps is easy.

Creating an overlay network

To see this, we’re going to deploy a new service. But before we do that, we’re going to create a new overlay network for the service. This isn’t necessary, but I want you to see how it is done and how to attach the service to it.

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