housekeeping

app.js

@@ -1,21 +1,77 @@
 require("dotenv").config();
 
+const express = require("express");
+const passport = require("passport");
+const session = require("express-session");
+const cookieParser = require("cookie-parser");
+const SQLiteStore = require("connect-sqlite3")(session);
 
-let express = require("express");
-let passport = require("passport");
-let session = require("express-session");
-let cookieParser = require("cookie-parser");
-let SQLiteStore = require("connect-sqlite3")(session);
+const fs = require("fs");
+const http = require("http");
+const path = require("path");
 
-let fs = require("fs");
-let path = require("path");
+const authRouter = require("./routes/auth");
+const indexRouter = require("./routes/index");
 
-let authRouter = require("./routes/auth");
-let indexRouter = require("./routes/index");
-
-let db = require("./db");
+const db = require("./db");
 
 let app = express();
+let server = http.createServer(app);
+let port = normalizePort(process.env.EBPORT || "3000");
+app.set("port", port);
+
+server.listen(port);
+server.on("error", onError);
+server.on("listening", onListening);
+
+function normalizePort(val) {
+	var port = parseInt(val, 10);
+
+	if (isNaN(port)) {
+		// named pipe
+		return val;
+	}
+
+	if (port >= 0) {
+		// port number
+		return port;
+	}
+
+	return false;
+}
+
+function onError(error) {
+	if (error.syscall !== "listen") {
+		throw error;
+	}
+
+	var bind = typeof port === "string"
+		? "Pipe " + port
+		: "Port " + port;
+
+	// handle specific listen errors with friendly messages
+	switch (error.code) {
+	case "EACCES":
+		console.error(bind + " requires elevated privileges");
+		process.exit(1);
+		break;
+	case "EADDRINUSE":
+		console.error(bind + " is already in use");
+		process.exit(1);
+		break;
+	default:
+		throw error;
+	}
+}
+
+function onListening() {
+	var addr = server.address();
+	var bind = typeof addr === "string"
+		? "pipe " + addr
+		: "port " + addr.port;
+	console.log("Listening on " + bind);
+}
+
 app.enable("trust proxy");
 
 // view engine setup