Small example of a Code-First gRPC-Web service with a Blazor client
https://docs.microsoft.com/en-us/aspnet/core/grpc/?view=aspnetcore-5.0 https://docs.microsoft.com/en-us/aspnet/core/tutorials/grpc/grpc-start?view=aspnetcore-5.0&tabs=visual-studio
https://docs.microsoft.com/en-us/aspnet/core/grpc/code-first?view=aspnetcore-5.0#protobuf-netgrpc https://protobuf-net.github.io/protobuf-net.Grpc/gettingstarted https://protobuf-net.github.io/protobuf-net.Grpc/configuration https://github.com/protobuf-net/protobuf-net.Grpc
https://docs.microsoft.com/en-us/aspnet/core/grpc/browser?view=aspnetcore-5.0#configure-grpc-web-in-aspnet-core https://blog.stevensanderson.com/2020/01/15/2020-01-15-grpc-web-in-blazor-webassembly/