Serverless Slack Bot using AWS Chalice

Today I would like to show you how to build Slack Bot using serverless approach on AWS infrastructure. We are going to support our efforts using AWS Chalice framework. Our Slack Bot is going to be a dummy one. It will respond with a message we send to it. However this article is not about implementing sophisticated bot behavior. We want to setup whole stack which will be a foundation for further development.

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Functional Programming in Serverless World

Motivation You may have noticed the first part here. If not, it is more or less a business case for serverless computing. I have explained there the what and whys behind serverless, but also talked about the architectural, economic and operational impact that it has on your systems and products. We have left a fascinating question there, wondering if the first word in FaaS acronym (function as a service) means something, for the functional programmers.

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The Business Case for Serverless Architecture

Motivation Can we use a functional programming language with AWS Lambda? Someone in our team, a year ago It is incredible how a single question can direct you into an exciting place. Journey through that rabbit hole turned out to be a crazy, but excellent chance to build know-how which we can leverage for our clients. Today I do not tell you how much yak-shaving is required to use our beloved functional languages in serverless.

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