Apache Pekko Replicated Event Sourcing Multi DC Sample

This is an example project demonstrating Apache Pekko Replicated Event Sourcing to run a replica per datacenter.

How to run

1. In terminal 1: sbt "runMain sample.persistence.res.MainApp cassandra"

2. In terminal 2: sbt "runMain sample.persistence.res.MainApp 7345 eu-west"

3. In terminal 3: sbt "runMain sample.persistence.res.MainApp 7355 eu-central"

4. In terminal 4:

   • To add a thumbs-up for resource pekko from user u1 in DC eu-central: curl -X POST http://127.0.0.1:27355/thumbs-up/pekko/u1
   • To add a thumbs-up for resource pekko from user u2 in DC eu-west: curl -X POST http://127.0.0.1:27345/thumbs-up/pekko/u2
   • To get the users that gave thumbs-up for resource pekko: curl http://127.0.0.1:27355/thumbs-up/pekko
   • Note the port numbers 27355 for eu-west and 27345 for eu-central