Add running instructions via docker

app/README.md

@@ -0,0 +1,37 @@
+## Running with Docker
+
+
+### Database
+```bash
+docker run --net host -it -d --name mongo mongo:latest 
+```
+
+### Backend
+#### Setting up the environment
+1. Go to the server folder
+2. Create a `.env` file in `src/` folder with the following variables
+```json
+PORT=5000
+GMAIL_USERNAME=<EMAIL_ADDRESS>
+GMAIL_PASSWORD=<EMAIL_PASSWORD>
+JWT_AC_KEY = a_very_secret_value
+JWT_REF_KEY = another_very_secret_value
+FRONTEND_URL = http://localhost:8008
+DB=mongodb://localhost:27017/bucademy
+```
+#### Building and running 
+```bash
+cd server
+docker build -t server:latest .
+docker run --net host -it -d --name server server:latest
+```
+### Frontend
+#### Setting up the environment
+1. Go to the client folder
+2. Update the `API_URL` variable in `next.config.json` file. In our case, set it to `http://localhost:5000`
+#### Building and running 
+```bash
+docker built -t client:latest .
+docker run --net host --name front client:latest
+```
+Go to localhost:8008 in your browser