alexmalus / malus_20210830

Demo application that grants users the ability to store, then play uploaded videos.

Watcher

This repository contains the code for a demo application that grants users the ability to store, then play uploaded videos.

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Installation

The app can be ran standalone, as well as on Docker.

Run the app locally

./bin/webpack-dev-server rails server

Below, the rest of this guide provides instructions for usage on Docker. You need:

• docker and docker-compose installed.
• dip installed.

Run the following command to build images and provision the application:

dip provision

Running the app

You can start Rails server by running:

dip up

Then go to http://localhost:3000/ and see the application in action.

Note: If you're too fast, you might experience some lag on first request. This is normal, as webpacker is compilling the assets. Once the compilation is finished, you should be good to go!

Debugging

If you want to run the Rails console, run the following command:

dip rails c

Testing

You can run the tests with:

dip rspec

Used Technologies

• Jquery -> as a JS framework
• TailwindCSS -> utility-first CSS framework
• Bootstrap -> to beautify some UI elements (in lack of time)
• Docker and Docker compose -> as an application wrapper
• Ruby 3.0.2
• Ruby on Rails 6.1.4 having the following libraries:

• Rspec - as a test framework
• SuckerPunch - as the async job handler
• and more..

Acknowledgments

Built and tested with the help of some of these awesome technologies from Tailwind:

• Tailwind CSS
• Tailwind Play

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Background story

Coding challenge with fixed constraints.

Crude solution was made to instruct Shrine to process video thumbnails on demand. With more time, I would have let SuckerPunch/Sidekiq to them asynchronously. Then, in the UI, the user would see an image showing that it's processing. This image would be connected through ActionCable -> Turbo to the app. When all related background job finished, the image is replaced with the 256x256 thumbnail. The user can then continue using the app as it would normally.

Constraint

TODO

License

The application is available as open source under the terms of the MIT License.