fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Build gRPC service definitions
    tonic_build::configure()
        .build_server(true)
        .build_client(true)
        .compile_protos(
            &[
                "proto/region.proto",
                "proto/tenant.proto",
                "proto/billing.proto",
                "proto/federation.proto",
                "proto/slo.proto",
            ],
            &["proto"],
        )?;

    println!("cargo:rerun-if-changed=proto/");
    Ok(())
}