This is an excercise in Elixir programming. It provides an image gallery, which receives images attached in e-mails (via mailgun.com), resizes them to fit 400x300px, and displays them based on selected receiver and/or sender.

Build using standard Elixir build system:

mix

Start using standard Elixir command:

iex -S mix

To get the whole system working you need to setup a mailgun.com routing to forward all e-mails to the machine where you deployed, for example: when deployed on test.com the mailgun.com routing rule would be:

forward("http://test.com:8080/post")

To access the gallery you point your browser to:

http://test.com:8080/gallery