How to set up the environment? 1) Go to the directory "app" 2) Create a virtual environment. `virtualenv venv` 3) Activate virtual environment. `source venv/bin/activate` 4) Install the required tools. `pip install -r requirements.txt` How to run the http server? 1) Go to the directory "app" 2) Activate the virtual environment if needed. 3) Launch the local server. `python main.py` 4) Open your browser and link to 'http://127.0.0.1:5000/' or 'http://localhost:5000/'