75 lines
1.8 KiB
JavaScript
75 lines
1.8 KiB
JavaScript
const http = require("http");
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const express = require("express");
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const morgan = require("morgan");
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const staticAssets = require("./middleware/staticAssets");
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const createRouter = require("./createRouter");
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morgan.token("fwd", req => {
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return req.get("x-forwarded-for").replace(/\s/g, "");
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});
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function errorHandler(err, req, res, next) {
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console.error(err.stack);
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res
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.status(500)
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.type("text")
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.send("Internal Server Error");
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next(err);
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}
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function createServer(publicDir, statsFile) {
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const app = express();
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app.disable("x-powered-by");
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if (process.env.NODE_ENV !== "test") {
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app.use(
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morgan(
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// Modified version of Heroku's log format
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// https://devcenter.heroku.com/articles/http-routing#heroku-router-log-format
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'method=:method path=":url" host=:req[host] request_id=:req[x-request-id] cf_ray=:req[cf-ray] fwd=:fwd status=:status bytes=:res[content-length]'
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)
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);
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}
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app.use(errorHandler);
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if (publicDir) {
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app.use(express.static(publicDir, { maxAge: "365d" }));
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}
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if (statsFile) {
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app.use(staticAssets(statsFile));
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}
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app.use(createRouter());
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const server = http.createServer(app);
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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, socket => {
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const message = `Timeout of 25 seconds exceeded`;
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socket.end(
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[
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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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});
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return server;
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}
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module.exports = createServer;
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