In the previous chapter, we briefly described basic OpenShift objects such as pods, services, and routes. We also gave you an understanding of how to use namespaces for resource isolation and how to manage users in OpenShift.
This chapter deals with advanced OpenShift resources, such as ImageStreams and ConfigMaps, logically continuing on from the previous chapter on OpenShift core concepts. The OpenShift API provides dozens of varied resources to control different aspects of application deployment, security, and so on. For now, we will focus on some of the most important ones.
After completing this chapter, you will have learned about the following:
- Tracking the version history of images using ImageStreams
- Separating configuration from application code using ConfigMaps
- Controlling resource consumption using LimitRanges and ResourceQuotas
- Autoscaling...