38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
const http = require('http')
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const throng = require('throng')
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const createServer = require('./server/createServer')
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const port = parseInt(process.env.PORT, 10) || 5000
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function startServer(id) {
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const server = http.createServer(createServer())
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// Heroku dynos automatically timeout after 30s. Set our
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// own timeout here to force sockets to close before that.
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// https://devcenter.heroku.com/articles/request-timeout
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server.setTimeout(25000, function (socket) {
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const message = `Timeout of 25 seconds exceeded`
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socket.end([
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'HTTP/1.1 503 Service Unavailable',
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'Date: ' + (new Date).toGMTString(),
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'Content-Length: ' + Buffer.byteLength(message),
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'Content-Type: text/plain',
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'Connection: close',
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'',
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message
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].join('\r\n'))
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})
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server.listen(port, function () {
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console.log('Server #%s listening on port %s, Ctrl+C to stop', id, port)
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})
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}
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throng({
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workers: process.env.WEB_CONCURRENCY || 1,
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lifetime: Infinity,
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grace: 25000,
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start: startServer
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})
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