edited comments for clarity

Author: jakewmeyer

app.js

@@ -1,4 +1,3 @@
-
 const express = require("express")
 const morgan = require("morgan")
 const cors = require("cors")
@@ -9,7 +8,7 @@ const MongoClient = require("mongodb")
 const Path = require("path")
 const app = express()
 
-// Define routes
+// Define route paths
 const home  = require("./routes/v1-home")
 const info  = require("./routes/v1-info")
 const vehicles  = require("./routes/v1-vehicles")
@@ -18,8 +17,7 @@ const launches  = require("./routes/v1-launches")
 const upcoming  = require("./routes/v1-upcoming")
 const parts  = require("./routes/v1-parts")
 
-// Enable gzip helmet,
-// HTTP logging, and CORS
+// Enable middleware
 app.use(compression())
 app.use(helmet())
 app.use(morgan("common"))
@@ -39,7 +37,7 @@ app.use((req, res) => {
   res.status(404).sendFile(Path.join(__dirname + "/pages/404.html"))
 })
 
-// Create MongoDB Connection
+// Create DB connection & start server
 MongoClient.connect(config.url, (err, database) => {
   if (err) return console.log(err)
   global.db = database