Added env file and updated read me.

Author: kdhttps

.env

@@ -0,0 +1,5 @@
+DB_URL=mongodb://localhost:27017/tododb
+PORT=4040
+BASE_URL=http://localhost:4040
+APP_SECRET=qwertyuiop
+JWT_EXPIRES_IN=1d

.gitignore

@@ -54,9 +54,8 @@ typings/
 # Yarn Integrity file
 .yarn-integrity
 
-# dotenv environment variables file
-.env
-
 ## Directory-based project format:
 .idea/
 .tmp/
+
+package-lock.json

README.md

@@ -5,13 +5,16 @@ Simple node js api project with jwt authentication with mongodb.
 
 This is assumed that npm, node and mongodb are installed on the machine.
 
- * node js >= 6.9.x
- * npm >= 3.x.x
+ * node js >= 8.x
+ * npm >= 5.x
  * mongodb >= 3.2.x
-  
+
 For installing node and npm please refer [here](https://nodejs.org/en/download/package-manager/).
 For installing mongodb [here](https://docs.mongodb.com/manual/installation/).
 
+> Note: I recommended to use npm@5, Because it provides `npm audit` facility to check vulnerability in your dependencies.
+ 
+
 ## Installation and Run
 
  1. Clone the repository and move to cloned directory and hit:
@@ -30,12 +33,21 @@ For installing mongodb [here](https://docs.mongodb.com/manual/installation/).
     npm start
     ```
 
-    This will start the project.
+    This will start the project on the port number as you specify in `.env` file. Default is `4040`, so you API is now on [https://localhost:4040](http://localhost:4040) url.
+
+
+## Configuration
 
-## Disable JWT
+1. Configuration application using `.env` file by setting environment variable.
+
+2. Disable JWT authentication
+   
+    By commenting following line you can disabled JWT verification in index.js.
+
+    ```
+    // app.use(expressJwt({secret: process.env.APP_SECRET}).unless(filter));
+    ```
 
-By commenting following line you can disabled JWT verification in index.js.
+## License
 
-```
-// app.use(expressJwt({secret: process.env.APP_SECRET}).unless(filter));
-```
+MIT