Chapter 8, CI/CD Pipelines and Integrated Testing

1. Not necessarily. Depending on the needs of the component itself, you may only have to implement one or two of the CI/CD patterns discussed. It is good practice to at least ensure that you are separating environments and using an artifact repository.
2. Normally, feature flags are seen as beneficial when working with an application that is driven by its user interface – that is, there is a primary user interface upon which the user experience is intended to be based. If your application is a set of microservices, for example, using feature flags may not be as relevant unless you have strict requirements to keep newer services relegated to only a specific subset of consumers.
3. While approval gates are normally the first item to come to mind, another frequent gate is that of change management. As an example, organizations using ticketing systems such as ServiceNow to manage how they raise, approve, and execute change requests...