Created
August 20, 2021 08:12
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Express.js pino logger configuration; healthcheck
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| import express from 'express' | |
| import pino from 'pino' | |
| import pinoHttp from 'pino-http' | |
| import { SERVICE_UNAVAILABLE } from 'http-status' | |
| // import { db } from './db' | |
| const logger = pino({ level: process.env.LOG_LEVEL || 'info' }) | |
| const PORT = process.env.PORT || 3000 | |
| const app = express() | |
| if (!module.parent) { | |
| app.use(pinoHttp({ | |
| logger, | |
| autoLogging: { | |
| ignorePaths: ['/healthcheck'] | |
| } | |
| })) | |
| } | |
| app.get('/healthcheck', (_, res) => { | |
| const healthcheck = { | |
| uptime: process.uptime(), | |
| message: 'OK', | |
| timestamp: Date.now() | |
| } | |
| try { | |
| res.send(healthcheck) | |
| } catch (e) { | |
| healthcheck.message = e | |
| res.status(SERVICE_UNAVAILABLE).send() | |
| } | |
| }) | |
| app.get('/', (req, res) => { | |
| // Now we can use logger or req.log as we like | |
| logger.info(req.url) | |
| req.log.debug('something else') | |
| res.send('Service is running...') | |
| }) | |
| if (!module.parent) { | |
| app.listen(PORT) | |
| console.log('Express started on port 3000') | |
| } |
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