Chapter 12

Here are some sample answers to the questions presented in this chapter:

1. A mission-critical, highly available application that is implemented as a highly distributed system of interconnected application services that are just too complex to manually monitor, operate, and manage. Container orchestrators help in this regard. They automate most of the typical tasks, such as reconciling a desired state, or collecting and aggregating key metrics of the system. Humans cannot react quick enough to make such an application elastic or self-healing. Software support is needed for this in the form of the mentioned container orchestrators.
2. A container orchestrator frees us from mundane and cumbersome tasks such as the following:
   • Scaling services up and down
   • Load balancing requests
   • Routing requests to the desired target
   • Monitoring the health of service instances
   • Securing...