To start a cluster of size three
sbt server/"run -p 10000"
sbt server/"run -p 10001 -c localhost:10000"
sbt server/"run -p 10002 -c localhost:10000"
with one client connected to each node.
client/"run -p 20000 -b localhost:10000"
client/"run -p 20001 -b localhost:10001"
client/"run -p 20002 -b localhost:10002"