Express

npm install --save @sentry/node

import express from "express";
import * as Sentry from "@sentry/node";

// or using CommonJS
// const express = require('express');
// const Sentry = require('@sentry/node');

const app = express();

// Sentry must be initialized as early as possible
Sentry.init({
  dsn: "https://examplePublicKey@o0.ingest.sentry.io/0",

  // Add Performance Monitoring by setting tracesSampleRate and adding integration
  // Set tracesSampleRate to 1.0 to capture 100% of transactions
  // We recommend adjusting this value in production
  tracesSampleRate: 1.0,
  integrations: [expressIntegration({ app })],
  // It is possible to specify the routes that should be traced by passing a router instance to the `router` option:
  // expressIntegration({ router: someRouterInstance })
});

// The Sentry request handler middleware must be added before any other handlers
app.use(Sentry.Handlers.requestHandler());
// Performance Monitoring: Create spans and traces for every incoming request
app.use(Sentry.Handlers.tracingHandler());

// All controllers should live here
app.get("/", function rootHandler(req, res) {
  res.end("Hello world!");
});

// The Sentry error handler middleware must be registered before any other error middleware and after all controllers
app.use(Sentry.Handlers.errorHandler());

// Optional fallthrough error handler
app.use(function onError(err, req, res, next) {
  // The ID of error events captured by the Sentry error middleware is attached to `res.sentry`.
  // You can use this ID for debugging, or to correlate requests with errors in Sentry.
  res.statusCode = 500;
  res.end(res.sentry + "\n");
});

app.listen(3000);

app.get("/debug-sentry", function mainHandler(req, res) {
  throw new Error("My first Sentry error!");
});

// keys to be extracted from req
request?: boolean | string[]; // default: true = ['cookies', 'data', 'headers', 'method', 'query_string', 'url']

// server name
serverName?: boolean; // default: true

// generate transaction name
//   path == request.path (eg. "/foo")
//   methodPath == request.method + request.path (eg. "GET|/foo")
//   handler == function name (eg. "fooHandler")
transaction?: boolean | 'path' | 'methodPath' | 'handler'; // default: true = 'methodPath'

// keys to be extracted from req.user
user?: boolean | string[]; // default: true = ['id', 'username', 'email']

// client ip address
ip?: boolean; // default: false

// node version
version?: boolean; // default: true

// timeout for fatal route errors to be delivered
flushTimeout?: number; // default: undefined

app.use(
  Sentry.Handlers.requestHandler({
    serverName: false,
    user: ["email"],
  })
);

app.use(
  Sentry.Handlers.errorHandler({
    shouldHandleError(error) {
      // Capture all 404 and 500 errors
      if (error.status === 404 || error.status === 500) {
        return true;
      }
      return false;
    },
  })
);