I'm not really sure what's the best way to do this.
I want to create an image with text overlayed (using rmagick) and reply to slack with this image.
Something like : lita <image> <text> would generate an <image_with_text>
As I understood from a previous discussion here, I can't send this image back as an attachment to slack.
Can I use built-in http server to serve this image to slack? If yes, how?
Or should I use my own http server to display it? By copying files to the http server directly?
Thank you for your help, I love this bot!
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