Added DB and Mongoose

- Env file to store env variables
- Added MongoDB and Mongoose

full-stack-javascript/mini-msg-board/.gitignore

@@ -1 +1,2 @@
-node_modules
+node_modules
+.env

full-stack-javascript/mini-msg-board/bin/www

@@ -7,25 +7,43 @@
 const app = require("../app");
 const debug = require("debug")("mini-msg-board:server");
 const http = require("http");
+const mongoose = require("mongoose");
+require("dotenv").config();
 
 /**
- * Get port from environment and store in Express.
+ * Create HTTP server.
  */
 
-const port = normalizePort(process.env.PORT || "3000");
-app.set("port", port);
+const server = http.createServer(app);
 
 /**
- * Create HTTP server.
+ * Get port from environment and store in Express.
  */
 
-const server = http.createServer(app);
+const port = normalizePort(process.env.PORT || "3000");
+app.set("port", port);
+
+// Get DB variables from environment.
+const mongoDb = process.env.MONGO_DB;
+const mongoURI = process.env.MONGO_URI;
+const uri = `${mongoURI}/${mongoDb}?retryWrites=true&w=majority`;
 
 /**
  * Listen on provided port, on all network interfaces.
  */
-
-server.listen(port);
+const connectDB = (async () => {
+  try {
+    const connectResult = await mongoose.connect(uri);
+    console.log("db connected");
+    server.listen(port, () => {
+      console.log("server running");
+    });
+    return connectResult;
+  } catch (err) {
+    onError(err);
+  }
+})();
+// server.listen(port);
 server.on("error", onError);
 server.on("listening", onListening);
 

full-stack-javascript/mini-msg-board/package.json

@@ -3,14 +3,17 @@
   "version": "0.0.0",
   "private": true,
   "scripts": {
-    "dev": "node --watch ./bin/www"
+    "dev": "node --watch ./bin/www",
+    "start": "node ./bin/www"
   },
   "dependencies": {
     "cookie-parser": "~1.4.4",
     "debug": "~2.6.9",
+    "dotenv": "^16.4.5",
     "ejs": "~2.6.1",
     "express": "~4.16.1",
     "http-errors": "~1.6.3",
+    "mongoose": "^8.1.3",
     "morgan": "~1.9.1"
   }
 }