A simple fullstack app built with Python-Flask & React

Challenge

Build a simple server-side app with Flask that generate random values of String, Integer, Float and Alphanumeric and save it to a file with maxium size of 2MB. Allow to download such file from a web client written in React. Calculate how many values of each type generated from such file.

Screenshot

Running

The most simple way is to run with docker, which has everything bundled and ready to use

$ docker build -t <image-tag> .
$ docker run -p 3000:3000 --name <container-name> <image-tag>:latest

After the application has started, open your web-browser and go to http://localhost:3000

Development

Overall

Backend

• Pipenv, Python3.8 are required

• Install dependencies and run it

$ cd backend
$ pipenv install --dev --pre
$ pipenv run dev

• Run test with

$ pipenv run test

Frontend

• Node 14 is required
• Prepare a .env file

# Not neccessary when running with flask-backend in development mode
REACT_APP_SERVER_URL=http://localhost:3000
# Enable the following env-var when running with flask-backend in development mode
# REACT_APP_API_URL=http://localhost:5000

• Run or build with npm

$ npm start
$ npm run build