d79de35603
* Added Dockerfile * Better comments in Dockerfile * Added SIGINT handler * Keeping code-check happy * Keeping code-check happy v2 * Keeping code-check happy v2
70 lines
1.7 KiB
JavaScript
70 lines
1.7 KiB
JavaScript
const express = require('express')
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const shrinkRay = require('shrink-ray-current')
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const sapper = require('sapper')
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const serveStatic = require('serve-static')
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const app = express()
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const helmet = require('helmet')
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const headScriptChecksum = require('./inline-script-checksum').checksum
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const { PORT = 4002 } = process.env
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// this allows us to do e.g. `fetch('/_api/blog')` on the server
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const fetch = require('node-fetch')
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global.fetch = (url, opts) => {
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if (url[0] === '/') {
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url = `http://localhost:${PORT}${url}`
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}
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return fetch(url, opts)
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}
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const debugPaths = ['/report.html', '/stats.json']
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const debugOnly = (fn) => (req, res, next) => (
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!~debugPaths.indexOf(req.path) ? next() : fn(req, res, next)
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)
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const nonDebugOnly = (fn) => (req, res, next) => (
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~debugPaths.indexOf(req.path) ? next() : fn(req, res, next)
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)
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app.use(shrinkRay({threshold: 0}))
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// report.html needs to have CSP disable because it has inline scripts
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app.use(debugOnly(helmet()))
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app.use(nonDebugOnly(helmet({
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contentSecurityPolicy: {
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directives: {
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scriptSrc: [`'self'`, `'sha256-${headScriptChecksum}'`],
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workerSrc: [`'self'`],
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styleSrc: [`'self'`, `'unsafe-inline'`],
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frameSrc: [`'none'`],
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objectSrc: [`'none'`],
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manifestSrc: [`'self'`]
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}
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},
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referrerPolicy: {
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policy: 'no-referrer'
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}
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})))
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app.use(serveStatic('assets', {
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setHeaders: (res) => {
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res.setHeader('Cache-Control', 'public,max-age=600')
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}
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}))
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debugPaths.forEach(debugPath => {
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app.use(debugPath, express.static(`.sapper/client${debugPath}`))
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})
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app.use(sapper())
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app.listen(PORT, () => {
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console.log(`listening on port ${PORT}`)
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})
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// Handle SIGINT (source: https://git.io/vhJgF)
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process.on('SIGINT', function () {
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process.exit(0)
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})
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