This article demonstrates how to create a web service using Python, Flask, and MongoDB on OpenShift. It covers various aspects of creating a RESTful API, including connecting to MongoDB from Python, performing spatial queries, and handling URL parameters. The article provides examples of how to retrieve data from the database, perform spatial searches, and use regular expressions for filtering. It also highlights the importance of using environment variables to connect to the MongoDB instance in a cloud-based application. Overall, this article aims to provide a simple and easy-to-follow guide on creating a web service with Python, Flask, and MongoDB on OpenShift.