Pino 구조화된 이벤트 분석

import pino from "pino";
import telemetry from "telemetry-sh";

const logger = pino();
const startedAt = performance.now();

try {
  const result = await runCheckout();
  const outcome = {
    request_id: requestId,
    route_template: "/api/checkout",
    method: "POST",
    status_code: 200,
    status: "success",
    latency_ms: Math.round(performance.now() - startedAt),
    release: process.env.APP_RELEASE,
  };

  logger.info(outcome, "checkout completed");
  await telemetry.log("api_request_completed", outcome);
  return result;
} catch (error) {
  const outcome = {
    request_id: requestId,
    route_template: "/api/checkout",
    method: "POST",
    status_code: 500,
    status: "failed",
    latency_ms: Math.round(performance.now() - startedAt),
    error_type: classifyError(error),
    release: process.env.APP_RELEASE,
  };

  logger.error({ ...outcome, err: error }, "checkout failed");
  await telemetry.log("api_request_completed", outcome);
  throw error;
}