They asked you to do this task in 4-5 hours. If itʼs possible or not is debatable. You, instead of telling them up front, worked on the task for two days before telling them it wonʼt be ready within their time limit.
You also made mistakes, the licensing bit being a huge one. Big companies put a lot of work in preserving licenses. If you make a mistake like this, it may cost the whole company. It could mean they have to open source all their stuff, including the most precious business logic. You basically killed the company with this one.
You also paid zero attention to the requirements. They asked you to do it using Docker, and you deployed it to Heroku. Deploying to Heroku is no big deal (they even gave a plus on it) since they can live test your app.
If you want, i can give detailed answers on all the other points, but i think this is just enough for now. If you want to work for a big company, you must pay attention to such details.
Oh, and if you think it doesnʼt worth all the extra work, one more thing: the same applies to startups and freelancers.
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Let me tell you one thing.
They were right.
They asked you to do this task in 4-5 hours. If itʼs possible or not is debatable. You, instead of telling them up front, worked on the task for two days before telling them it wonʼt be ready within their time limit.
You also made mistakes, the licensing bit being a huge one. Big companies put a lot of work in preserving licenses. If you make a mistake like this, it may cost the whole company. It could mean they have to open source all their stuff, including the most precious business logic. You basically killed the company with this one.
You also paid zero attention to the requirements. They asked you to do it using Docker, and you deployed it to Heroku. Deploying to Heroku is no big deal (they even gave a plus on it) since they can live test your app.
If you want, i can give detailed answers on all the other points, but i think this is just enough for now. If you want to work for a big company, you must pay attention to such details.
Oh, and if you think it doesnʼt worth all the extra work, one more thing: the same applies to startups and freelancers.