Exercise 3: Creating a Feature Flags

Follow these steps to create a feature flag and make use of it within an example application:

1. Within the Azure portal, open your App Configuration resource and then the Feature manager blade.
2. Click on Create. Leave the Enable feature flag box unchecked, enter demofeature for Feature flag name, and add the Development label.
3. Check the Use feature filter box and explore the options available for filtering. When this is done, uncheck the box again as you will not be using a filter for this example. Then click Apply.

Figure 8.11: Example disabled feature flag with the Development label and no filters

Feel free to create another feature with the same name and the Production label to see the change in behavior, as with the last exercise.

4. From this book’s downloaded GitHub repository, either copy the contents of the Chapter08/04-feature-flags directory into a new location or follow the rest...