While writing my first Slack bot using some of the tutorials found here, I ran into a big problem. My bot will live in a locked-down environment where the only outbound access is through a proxy server.
I had to do quite a bit of searching through the source code, because, for whatever reason, I could not find how to use a proxy server with the slackclient python library in the documentation or in any simple google searches. So, I am writing this entry in hopes to save someone else the headache of having to track down the nuances of proxy usage in the urllib3 and the websocket libraries. Read more