1) Install the server dependencies

python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt

2) Start the server in debug mode:

python flask_app.py

3) Then visit http://127.0.0.1:5003/dico-topo/api/1.0?capabilities to get infos about the API capabilities

more info about the configuration of ES: https://jolicode.com/blog/construire-un-bon-analyzer-francais-pour-elasticsearch

How to reindex all indexable data, referencing a localhost api:

python manage.py db-reindex --host=http://localhost --delete=1