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Writer's pictureJiehwan Yang

Deploying ML Pricing Model on Flask Web App to AWS

Updated: Jan 25, 2022


Motivation
  1. It's becoming more important to be equipped with Cloud technologies and be able to put machine learning models into production.

  2. In the past, I was charged unexpected fees by AWS because I didn't configure it correctly at the time. A couple of my friends (one working for a company and the other at his own startup) had a similar issue and were charged a fair amount of AWS costs. I do not want to make a similar mistake at my future job (fingers crossed).

In this project, I wanted to deploy a web application that has a predictive model running on top of it by using AWS EC2 service (using the free tier this time!).


In other words, the main goal of this project was to:

Experience end-to-end data science project only in Python by deploying an ML serving web application to AWS EC2 instance

Here are the steps I have taken:

  1. EDA, data cleansing, feature engineering, dimensionality reduction

  2. Build a regression model and perform GridSearch for hyperparameter tuning and K-fold cross-validation

  3. Build back-end by writing a python Flask server that uses the pickled model to serve http requests

  4. Build a website front-end (html, css, javascript) that allows users to enter house information including home sqr ft area, # bed, # bath, and location.

  5. Deploy the Flask web application to an AWS EC2 instance using Nginx.


 
Architecture


File Source

  • https://github.com/jiehwan94/AWS_Deployment_House_Price_Prediction_Web_App

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