Posts about flask

Streaming can be a great way to transfer and process large amounts of data. It can help save space and/or time, if the data uses a lot of memory, or if you want to start processing or visualizing the data as it comes in.

In a recent project, we had a large number of points on a canvas, where a user could draw a region of interest to see only the points within that area. Here is a demo of how to do that using MongoDB with a geospatial 2D-index. Visualized using D3.

In this post I wanted to document the steps I took to deploy a Flask app to AWS Lambda using Zappa. Configuring everything properly in AWS was the most complicated part, so I hope this post can help other AWS noobs who might be struggling!