replaced logging with Winston

src/app.ts

@@ -2,7 +2,7 @@ import express from "express";
 import compression from "compression";  // compresses requests
 import session from "express-session";
 import bodyParser from "body-parser";
-import logger from "morgan";
+import logger from "./util/logger";
 import lusca from "lusca";
 import dotenv from "dotenv";
 import mongo from "connect-mongo";
@@ -12,7 +12,7 @@ import mongoose from "mongoose";
 import passport from "passport";
 import expressValidator from "express-validator";
 import bluebird from "bluebird";
-import { MONGODB_URI, SESSION_SECRET } from "./util/loadSecrets";
+import { MONGODB_URI, SESSION_SECRET } from "./util/secrets";
 
 const MongoStore = mongo(session);
 
@@ -33,7 +33,7 @@ import * as passportConfig from "./config/passport";
 const app = express();
 
 // Connect to MongoDB
-const mongoUrl = process.env.MONGOLAB_URI;
+const mongoUrl = MONGODB_URI;
 (<any>mongoose).Promise = bluebird;
 mongoose.connect(mongoUrl, {useMongoClient: true}).then(
   () => { /** ready to use. The `mongoose.connect()` promise resolves to undefined. */ },
@@ -47,14 +47,13 @@ app.set("port", process.env.PORT || 3000);
 app.set("views", path.join(__dirname, "../views"));
 app.set("view engine", "pug");
 app.use(compression());
-app.use(logger("dev"));
 app.use(bodyParser.json());
 app.use(bodyParser.urlencoded({ extended: true }));
 app.use(expressValidator());
 app.use(session({
   resave: true,
   saveUninitialized: true,
-  secret: process.env.SESSION_SECRET,
+  secret: SESSION_SECRET,
   store: new MongoStore({
     url: mongoUrl,
     autoReconnect: true

src/util/logger.ts

@@ -0,0 +1,16 @@
+import * as winston from "winston";
+import { ENVIRONMENT } from "./secrets";
+
+const logger = new (winston.Logger)({
+    transports: [
+        new (winston.transports.Console)({ level: process.env.NODE_ENV === "production" ? "error" : "debug" }),
+        new (winston.transports.File)({ filename: "debug.log", level: "debug"})
+    ]
+});
+
+if (process.env.NODE_ENV !== "production") {
+    logger.debug("Logging initialized at debug level");
+}
+
+export default logger;
+

src/util/secrets.ts

@@ -0,0 +1,26 @@
+import logger from "./logger";
+import * as dotenv from "dotenv";
+import * as  fs from "fs";
+
+if (fs.existsSync(".env")) {
+    logger.debug("Using .env file to supply config environment variables");
+    dotenv.config({ path: ".env" });
+} else {
+    logger.debug("Using .env.example file to supply config environment variables");
+    dotenv.config({ path: ".env.example" });  // you can delete this after you create your own .env file!
+}
+export const ENVIRONMENT = process.env.NODE_ENV;
+const prod = ENVIRONMENT === "production"; // Anything else is treated as 'dev'
+
+export const SESSION_SECRET = process.env["SESSION_SECRET"];
+export const MONGODB_URI = prod ? process.env["MONGODB_URI"] : process.env["MONGODB_URI_LOCAL"];
+
+if (!SESSION_SECRET) {
+    logger.error("No client secret. Set SESSION_SECRET environment variable.");
+    process.exit(1);
+}
+
+if (!MONGODB_URI) {
+    logger.error("No mongo connection string. Set MONGODB_URI environment variable.");
+    process.exit(1);
+}