Provide your app URL at Request URL. (FQDN with the valid certificate)
Validate URL
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Missing some steps and screen-shots
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Fill .env file to feed your docker-compose topology
Deploy your host topology docker-compose
Current server is a simple echo bot, that anything you send to the bot will be sent back to you. Internally, it is more than that.
This sample allow you to receive events from slack, they are all sent to a rabbitMQ queue, then you can process it, send to another rabbitMQ queue an the writer will send this messages to slack.