Example for generated server and client, instrumented with OpenTelemetry.

• Force go.mod to have ogen in tools.go
• Generate code by gen.go
• OpenTelemetry setup boilerplate in go-faster/sdk
• Advanced net/http instrumentation in internal/httpmiddleware

docker compose up

You can open Grafana dashboard on http://localhost:3000 to observe telemetry. For example, you can see client traces in TraceQL explore.