Cristian Balas
55 lines
1.5 KiB
JavaScript
55 lines
1.5 KiB
JavaScript
'use strict'
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var createError = require( 'http-errors' )
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var express = require( 'express' )
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var path = require( 'path' )
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var cookieParser = require( 'cookie-parser' )
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var logger = require( 'morgan' )
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var indexRouter = require( './routes/index' )
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var previewRouter = require( './routes/preview' )
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var objectsRouter = require( './routes/objects' )
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const prometheusClient = require( 'prom-client' )
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prometheusClient.register.clear()
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prometheusClient.collectDefaultMetrics()
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var app = express()
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app.use( logger( 'dev' ) )
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app.use( express.json() )
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app.use( express.urlencoded( { extended: false } ) )
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app.use( cookieParser() )
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app.use( express.static( path.join( __dirname, 'public' ) ) )
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app.use( '/', indexRouter )
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app.use( '/preview', previewRouter )
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app.use( '/objects', objectsRouter )
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// Expose prometheus metrics
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app.get( '/metrics', async ( req, res ) => {
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try {
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res.set( 'Content-Type', prometheusClient.register.contentType )
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res.end( await prometheusClient.register.metrics() )
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} catch ( ex ) {
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res.status( 500 ).end( ex )
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}
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} )
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// catch 404 and forward to error handler
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app.use( function( req, res, next ) {
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next( createError( 404 ) )
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} )
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// error handler
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app.use( function( err, req, res, next ) {
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let errorText = err.message
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if ( req.app.get( 'env' ) === 'development' ) {
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errorText = `<html><body><pre>${err.message}: ${err.status}\n${err.stack}</pre></body></html>`
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}
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res.status( err.status || 500 )
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res.send( errorText )
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} )
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module.exports = app
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