Reactive GraphQL with Spring

This repository demonstrates Spring GraphQL + RSocket + WebFlux + R2DBC + H2

 O__                       +-----------+                     +--------+
/|    <~- REST GraphQL -~> | customers | <~- TCP RSocket -~> | orders |
/ \                        +-----------+                     +--------+

Start apps:

./mvnw -f orders compile spring-boot:start
./mvnw -f customers compile spring-boot:start

Open http://127.0.0.1:8080/graphiql in a browser

And execute GraphQL query:

query {
  customers {
    id
    name
    orders {
      id
      customerId
    }
  }
}

Tear down:

./mvnw -f orders spring-boot:stop
./mvnw -f customers spring-boot:stop

rtfm

For further reference, please consider the following sections:

• Spring Boot GraphQL
• Official Apache Maven documentation
• Spring Boot Maven Plugin Reference Guide
• Create an OCI image
• Coroutines section of the Spring Framework Documentation
• Spring Data R2DBC
• Acessing data with R2DBC
• R2DBC Homepage