Armeria Newsletter vol. 4

• ✨ We've released several new versions since our last newsletter with a bunch of new exciting features!
  • 1.17.0
    • Easier way to send and receive RESTful APIs
    • Ability to limit the maximum length of Thrift messages
    • Injecting dependencies in annotations
    • Support for Kotlin nullable type (?) in annotated services
  • 1.16.0
    • New metrics for TLS handshake results
    • Handling Decorator annotation with GrpcService for your gRPC stubs
    • Programmatic Flags configuration via Java SPI
  • 1.15.0
    • Support for gRPC health check protocol
    • Multipart file uploads in annotated services
    • GraphQL support in DocService
    • Refactored DNS resolver cache with higher hit ratio and reduced traffic
    • New metrics that help you get alerts before your TLS certificates are expired
  • 1.14.0
    • Experimental support for Scala 3
    • Fluent conversion of HttpResponse into a desired type using WebClient
    • Various build options for gRPC using GrpcClientBuilder

• 👂 Armeria team is hosting bi-weekly virtual office hours.
  • It was great talking with all of you through the video chat. We hope we can see you again in the near future. :)

• 🎓 Try out this guided tutorial for REST Service! This super friendly and simple tutorial will guide you to make a blog service, with which you can create, read, update and delete blog posts. In particular, you'll be using these Armeria features:
  • Service annotations
  • Request converter
  • Parameter injection
  • Exception handler
  • Blocking task executor
• 🦾 MSA(Microservices Architecture): Harder, Better, Faster, Stronger
  • In the session, @cnabro introduces how Series On migrated their monoliths into microservices using Armeria, gRPC, and GraphQL. He also mentions about how they monitored microservices using Zipkin and Elasticsearch.
  • Here are the Video and Slides (also providing Korean and Japanese)

• 🤔 Your opinion means a lot to us. Please let us know what you think about these proposals:
  • #4289 Supporting Spring Cloud Gateway integration(also considering GatewayAutoConfiguration, HttpClientFactory, and HttpClient)
  • #4286 Changing the insertion order of ExceptionHandlerFunction
  • #3820 Providing a way to enable gRPC reflection service and making it enabled by default

🔰 Want to contribute but not sure where to start from? Try one of these:

• #4237 Support for request scoped DataLoader for GraphQL-Java

  class GraphqlServiceBuilder {
      public GraphqlServiceBuilder dataLoaderRegistry(
        Function<ServiceRequestContext, DataLoaderRegistry>
        dataLoaderRegistrySupplier) {
           // This method will be mutually exclusive
           // with configureDataLoaderRegistry(...)
      }
  }

• #4347 Show the full stack trace of CompositeException when the system property verboseExceptions is true