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02 What is Docker
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##Looks like we found a thief monkey By the way, I liked the trick how you reached till here. You have a good sense of humor. You will improve a lot if you join our course with this passion.
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00:00:00 You can think of Docker as a lunchbox for our application.
00:00:04 In the lunchbox, we pack not just the main dish, which is our code, but also all the specific ingredients or dependencies it needs to taste just right.
00:00:15 Now, this special lunchbox is also magical.
00:00:19 It doesn't matter where we want to eat, at our desk, a colleague's desk, or have a little picnic.
00:00:26 No matter the environment or different computers, Wherever we open the lunchbox, everything is set up just like it is in our kitchen.
00:00:35 It ensures consistency, portability, and prevents us from overlooking any key ingredients, making sure our code runs smoothly in any environment without surprises.
00:00:47 Technically, that's what Docker is.
00:00:49 It's a platform that enables the development, packaging, and execution of applications in a unified environment.
00:00:57 By clearly specifying our application's requirements, such as Node.js versions and necessary packages, Docker generates a self-contained box that includes
00:01:08 its own operating system and all the components essential for running our application.
00:01:14 This box acts like a separate computer, virtually providing the operating system, runtimes, and everything required for our application to run smoothly.