Practicing some pure elixir/erlang concepts to keep it fresh, phoenix is great but staying sharp with elixir will only help. This is the portal game from a post by the creator himself.
Ultimately we end up with a supervisor that can handle an arbitrary number
of children. These children are each an
Agent
whose state represents a stack. Standard Push and Pop operations
can be performed on the stack. The cool part involves popping
from one agent and pushing on to another, thus transfering values.