Based on https://github.com/tomasznajda/flask-adminlte with https://github.com/flask-admin/flask-admin/tree/bootstrap4
git clone git@github.com:jquiterio/flask-adminlte3.git
cd flask-adminlte3
python -m venv venv
source venv/bin/activate
pip install -r requirements.txt
python run.py
authentication: user: admin@admin.com, pass: admin