Quarkus guide: https://quarkus.io/guides/micrometer
This repo is the example described in the quarkus guide but swapping the Prometheus registry with a StackDriver one and making the default MeterRegistry to be StackDriver.
Registry Quarkus Extension configurations: https://quarkiverse.github.io/quarkiverse-docs/quarkus-micrometer-registry/dev/micrometer-registry-stackdriver.html