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Python Microservices Development

You're reading from   Python Microservices Development Build, test, deploy, and scale microservices in Python

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Product type Paperback
Published in Jul 2017
Publisher Packt
ISBN-13 9781785881114
Length 340 pages
Edition 1st Edition
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Author (1):
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Tarek Ziadé Tarek Ziadé
Author Profile Icon Tarek Ziadé
Tarek Ziadé
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Table of Contents (13) Chapters Close

Preface 1. Understanding Microservices FREE CHAPTER 2. Discovering Flask 3. Coding, Testing, and Documenting - the Virtuous Cycle 4. Designing Runnerly 5. Interacting with Other Services 6. Monitoring Your Services 7. Securing Your Services 8. Bringing It All Together 9. Packaging and Running Runnerly 10. Containerized Services 11. Deploying on AWS 12. What Next?

A microservice skeleton

So far in this chapter, we've looked at how Flask works, and at most of the built-in features it provides--and we will be using them throughout this book.

One topic we have not covered yet is how to organize the code in your projects, and how to instantiate your Flask app. Every example so far used a single Python module and the app.run() call to run the service.

Having everything in a module is, of course, a terrible idea unless your code is just a few lines. And since we will want to release and deploy the code, it's better to have it inside a Python package so that we can use standard packaging tools like Pip and Setuptools.

It's also a good idea to organize views into blueprints, and have one module per blueprint.

Lastly, the run() call can be removed from the code, since Flask provides a generic runner that looks for an app variable...

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