Example using GOV.UK Notify service through a Flask app using the notifications python client.
git clone git@github.com:LandRegistry/govuk-notify-flask.git
cd govuk-notify-flask
pip3 install -r requirements.txt
export SECRET_KEY=<your_secret_key>
export NOTIFY_API_KEY=<your_api_key>
export FLASK_APP=govuk_notify_flask/__init__.py
export FLASK_DEBUG=1
pip3 install -r requirements_test.txt
flake8 .
python3 -m flask run