setup

npm install

to run

node app.js

covered following in available time:

1. http://localhost:8080/ page to upload csv
2. http://localhost:8080/app/batches to display result
3. it will upload csv
4. read csv and download images to new folder
5. show progress bar
6. communicate via express and socket.io channel
7. mysql save and list query for batches

possible todo or suggestion:

1. use rabbitMQ to queue and process image downloads
2. upload to s3
3. make UI better using bootstrap, etc
4. write unit test cases, e2e test cases, etc