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source code In the previous part, we created a Calculator micro-service which happily performs uncomplicated integer arithmetic. We were able to call that service locally and, hopefully, from the remote computer. The problem though is that our network exchanges are completely unprotected so anyone, with appropriate knowledge and tools, can see what numbers we are trying to multiply. Moreover, the client even cannot be sure that it receives the responses from the valid service, not the one which might be controlled by hackers. [Read More]

source code What are we going to talk about? gRPC is a high performance program-to-program communication framework highly suitable to efficiently connect services and, as such, to serve as the foundation for the micro-service architecture. I will not to bore you with the marketing speech, go for the details to the official site A few disclaimers: gRPC, at the moment, does not have the best in-browser support so, if your app lives in the html/javascript universe, the traditional Rest/JSON web services might be a better choice. [Read More]

What is this all about? The Python ecosystem has a few Web application frameworks, most prominent being Flask and Django. They both enjoy their popularity in the community; The general consensus is, Hey, use Flask for the small projects and Django for the large projects. It is true though that with Flask, after the project reaches certain size and complexity, it becomes harder and harder to manage and compose together all 3rd party extensions (which may or may not work) to achieve the desired functionality. [Read More]