Full Tutorial: https://www.graph.cool/docs/tutorials/freecom-5-serverless-functions-wohfoa8ahz/
Overview: https://www.graph.cool/freecom/
GitHub: https://github.com/graphcool-examples/freecom-tutorial

Full-stack tutorial series to build your own customer support chat.

In this video, we're implementing serverless functions to connect our app to Slack.

For a GraphQL deep dive, visit https://www.howtographql.com