Owlery is a backend application used to relay messages between various frontends connected to it. It was build for the Cluegrid crossword app. It is built using elixir and cowboy.

We use GenServer for every Channel. It maintains the state of the game, as well as managing the communication between all connected clients.

If available in Hex, the package can be installed by adding owlery to your list of dependencies in mix.exs:

def deps do
  [
    {:owlery, "~> 0.1.0"}
  ]
end

Documentation can be generated with ExDoc and published on HexDocs. Once published, the docs can be found at https://hexdocs.pm/owlery.