Deployment with Docker

Reactive auto-scaling

With automated self-configuration implemented, we can start looking even bigger by starting the instances automatically. If you remember auto-scaling groups from earlier chapters, even that can be automated in most cloud offerings. By using launch configurations and pre-configured images, like the ones we just talked about, adding or removing nodes with this setup would be as easy as dialing the desired nodes setting. The auto-scaling group would increase or decrease the worker instance count and because the images are self-configuring, that would be the full extent of input needed from you. With such a simple input, you can make scaling changes to your infrastructure extremely easy and done through many different ways. ...