Since Akka gRPC is built on Akka HTTP it is easy to use them together: you can not only serve regular HTTP routes next to gRPC routes on the same port, but also wrap gRPC in regular Akka HTTP directives.
This video is a follow-up on the 5-minute Introduction to gRPC
You can find the slides and code on GitHub.
For more information see the Akka gRPC documentation and the Akka.io homepage.
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