Part III. Tools and Techniques
This part goes into advanced details about the tools and techniques needed to run clusters of Docker containers safely and reliably.
We start by looking at networking and service discovery, a task that quickly becomes essential when dealing with containers on more than one host. To put it another way, how do your containers find one another and how do you connect them?
We then look into software solutions designed to help with orchestration and clustering of containers. These tools help developers address issues such as load balancing, scaling, and failover, and help operations schedule containers and maximize resource usage. Any long-lived application will run into these issues sooner rather than laterâknowing the problems and potential solutions ahead of time is a significant advantage.
The final chapter covers how to ensure the security of containers and microservice deployments. Containers pose new challenges for security but also offer new tools and techniques. Despite its position at the end of the book, this is an important topic that everyone involved with containers should familiarize themselves with.
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