Update README.md (#5)

* Update README.md
* Add blank line at eof

Author: armino-dev

.env.local.example

@@ -0,0 +1,10 @@
+# Environment variables secret available on server side
+
+# add your ipify api key below
+IPIFY_API_KEY=your_secret_api_key_here
+
+# Public Environment variables available on client side
+NEXT_PUBLIC_LOCAL_DEVELOPMENT=true
+NEXT_PUBLIC_HOSTNAME=localhost
+NEXT_PUBLIC_PORT=3000
+NEXT_PUBLIC_HOST=http://$NEXT_PUBLIC_HOSTNAME:$NEXT_PUBLIC_PORT

README.md

@@ -1,8 +1,27 @@
 This is a [Next.js](https://nextjs.org/) project bootstrapped with [`create-next-app`](https://github.com/vercel/next.js/tree/canary/packages/create-next-app).
 
+This project is part of the [Frontend Mentor Challenge - IP address tracker](https://www.frontendmentor.io/challenges/ip-address-tracker-I8-0yYAH0)
+
+![Design preview for the IP address tracker coding challenge](./desktop-preview.jpg)
 ## Getting Started
 
-First, run the development server:
+First create a file `.env.local` in the root of the project. Copy the environment variables from `.env.local.example` to your `.env.local` and edit them per your needs.
+
+You will have something like this:
+```bash
+# Environment variables secret available on server side
+
+# add your ipify api key below
+IPIFY_API_KEY=your_secret_api_key_here
+
+# Public Environment variables available on client side
+NEXT_PUBLIC_LOCAL_DEVELOPMENT=true
+NEXT_PUBLIC_HOSTNAME=localhost
+NEXT_PUBLIC_PORT=3000
+NEXT_PUBLIC_HOST=http://$NEXT_PUBLIC_HOSTNAME:$NEXT_PUBLIC_PORT
+```
+
+Then, run the development server:
 
 ```bash
 npm run dev
@@ -12,12 +31,6 @@ yarn dev
 
 Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
 
-You can start editing the page by modifying `pages/index.js`. The page auto-updates as you edit the file.
-
-[API routes](https://nextjs.org/docs/api-routes/introduction) can be accessed on [http://localhost:3000/api/hello](http://localhost:3000/api/hello). This endpoint can be edited in `pages/api/hello.js`.
-
-The `pages/api` directory is mapped to `/api/*`. Files in this directory are treated as [API routes](https://nextjs.org/docs/api-routes/introduction) instead of React pages.
-
 ## Learn More
 
 To learn more about Next.js, take a look at the following resources:
@@ -32,3 +45,5 @@ You can check out [the Next.js GitHub repository](https://github.com/vercel/next
 The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
 
 Check out our [Next.js deployment documentation](https://nextjs.org/docs/deployment) for more details.
+
+**Have fun!** 🚀