HelloPingpongHttpRelay

HTTP server. Sends ping requests to HelloPingpong for testing round trip time.

usage example:

starting: iex -S mix

issueing a http request to the relay: curl -X GET http://127.0.0.1:8080/ping

config options for env: ''' [port: 8080, pingpong_api: 'zmq-tcp://127.0.0.1:26000'] '''