Providing an extensible API presents us with an opportunity to integrate other software into our application. We have already looked at how the building blocks have been put together in terms of developing serverless applications. With Cloud Run, we can expand this knowledge and build extensible interfaces that can expose access to selected parts of an application. If you come from a GNU/Linux background, this will be abundantly clear and something you may take for granted. For others, it can be a moment of clarity where an application allows you to do more than expected. There are times in which we might not even know that an implementation supports an interface that's being used for a task.
For this example, we will build a basic API that uses REST to demonstrate how Cloud Run can be used to meet this requirement. If you...
