Pino Logging for Node.js

npm install pino

npm install pino-opentelemetry-transport

import pino from "pino";

const transport = pino.transport({
  targets: [
    {
      target: "pino/file",
      options: { destination: 1 }, // stdout
      level: "trace",
    },
    {
      target: "pino-opentelemetry-transport",
      options: {},
      level: "trace",
    },
  ],
});

// Wait for the Pino worker threads to be set up
// await new Promise((resolve) => setTimeout(resolve, 1000));

export const logger = pino(transport);

import { logger } from "./logger.js";

logger.info("User logged in", { userId: 123 });
logger.warn("Rate limit approaching");
logger.error("Database connection failed", { error: err });