https://github.com/ricktebrake/akka-streams-workshop
General documentation: https://doc.akka.io/docs/akka/current/stream/index.html
Flow basics: https://doc.akka.io/docs/akka/current/stream/stream-flows-and-basics.html Graph DSL: https://doc.akka.io/docs/akka/current/stream/stream-graphs.html
Error handling: https://doc.akka.io/docs/akka/current/stream/stream-error.html
Buffering: https://doc.akka.io/docs/akka/current/stream/stream-rate.html
Testing: https://doc.akka.io/docs/akka/current/stream/stream-testkit.html Stream cookbook: https://doc.akka.io/docs/akka/current/stream/stream-cookbook.html