@dexter.js/monitor

Auto instrumentation and live dashboard for Node.js apps.

Install

npm install @dexter.js/monitor

Quick start

import express from 'express'
import { monitor, expressMiddleware } from '@dexter.js/monitor'

const app = express()
app.use(expressMiddleware())

monitor({ app })

app.listen(3000)
// dashboard: http://localhost:4000

Instrumentors

import {
  instrumentPrisma,
  instrumentDrizzle,
  instrumentPg,
  instrumentMongoose,
  instrumentRedis,
  instrumentHttp
} from '@dexter.js/monitor'

// pg
instrumentPg(Pool)

// prisma
const prisma = instrumentPrisma(new PrismaClient())

// drizzle (wrap pool before creating drizzle db)
const wrappedPool = instrumentDrizzle(pool)
const db = drizzle(wrappedPool)

// mongoose
instrumentMongoose(mongoose)

// redis (instance-level)
const redis = new Redis()
instrumentRedis(redis)

// outbound HTTP
instrumentHttp({ axios })

MonitorOptions

| Option | Type | Default | Description | |---|---|---|---| | app | any (Express app) | required | App instance used by monitor setup | | logger | any | undefined | Optional @dexter.js/logger instance | | port | number | 4000 | Sidecar/dashboard HTTP port | | autoSpawn | boolean | true | Auto-start sidecar process | | socketPath | string | /tmp/dexter.sock | Unix socket path | | sidecarPath | string | auto-resolved | Custom sidecar entrypoint |

For full docs and examples: https://github.com/dexter-js/dexterjs

Part of the DexterJS ecosystem — github.com/dexter-js/dexterjs