Eventsourcing & message passing for Spring Boot microservices.
Docker is required to run LocalStack, so first you have to install Docker.
LocalStack is "A fully functional local AWS cloud stack". Synapse is using LocalStack in order to run integration tests locally, without having to access the "real" AWS services.
Follow the instructions here: https://github.com/localstack/localstack
./gradlew startLocalStack ./gradlew build ./gradlew stopLocalStack