Webhook backend is a popular use case for FaaS (Functions-as-a-service) platforms. They could be used for many use cases such as sending customer notifications to responding with funny GIFs! Using a Serverless function, it's quite convenient to encapsulate the webhook functionality and expose it in the form of an HTTP endpoint. In this tutorial, you will learn how to implement a Slack app as a Serverless backend using Azure Functions and Go. You can extend the Slack platform and integrate services by implementing custom apps or workflows that have access to the full scope of the platform allowing you to build powerful experiences in Slack.
This is a simpler version of the Giphy for Slack. The original Giphy Slack app works by responding with multiple GIFs in response to a search request. For the sake of simplicity, the function app demonstrated in this post just returns a single (random) image corresponding to a search keyword using the Giphy Random API. This post provides a step-by-step guide to getting the application deployed to Azure Functions and integrating it with your Slack workspace.
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