What is Docker?
Imagine you're a chef and you want to make a pizza. You have all the ingredients ready: the dough, the sauce, the cheese, and the toppings. Now, you could make the pizza directly on the oven, but what if you want to make a bunch of pizzas with different toppings? You'd have to clean the oven every time and that's just no fun.
So, instead, you decide to use a bunch of mini-ovens that you can stack up and use separately. Each mini-oven has its own temperature control and its own pizza stone, so you can make different pizzas at the same time without any mess.
That's basically what Docker does! It lets you create little "containers" for your applications, each with its own dependencies and settings, so you can run multiple apps on the same computer without them interfering with each other. It's like having a bunch of mini-kitchens that you can use independently, without having to worry about cleaning up in between. Plus, you can easily share your containers with other people, like sharing pizza recipes with your friends!
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