Flask Framework Cookbook - Second Edition

How to do it...

Follow these steps to perform the integration between Elasticsearch and our Flask application:

1. Start by adding the Elasticsearch object to the application's configuration, that is, my_app/__init__.py:

from elasticsearch import Elasticsearch 
 
es = Elasticsearch('http://localhost:9200/')es.indices.create('catalog', ignore=400) 

Here, we created an es object from the Elasticsearch class, which accepts the server URL. ignore=400 will ignore any errors that are raised since this index has been created already.

2. Next, we need to add a document to our Elasticsearch index. This can be done in views or models; however, in my opinion, the best way will be to add it in the model layer. We will do this in the my_app/catalog/models.py ...