Summary

You should now have a feel for how to build and unit test any of the microservices in the Stock Trader application. You should also now be comfortable with how to containerize such microservices, and then run such containers and invoke such microservices.

Note that, often, rather than running such build steps as we've covered in this chapter manually from Command Prompt, you will have a DevOps pipeline that runs such steps for you, such as automatically kicking off via a webhook when you commit a change to your Git repository. For example, see this blog entry on such a CI/CD pipeline for the Trader microservice, which also performs various security and compliance checks: https://medium.com/cloud-engagement-hub/are-your-ci-cd-processes-compliant-cee6db1cf82a. But it's good to understand how to do stuff manually, rather than it just seeming like some magical, mysterious thing occurs to get to where your container image is built and available in your image registry...