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Welcome to brand new section and that is file upload.

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So when we say file upload is a process of allowing a user to send files such as images, videos, audios

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into our application.

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So for this, we need a way to save the images or the asset a user is trying to upload into our server

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and we have couple of them.

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Let's say that this is our server and we want a user to upload images, so let's see the options that

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we have.

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The first option is we can save the uploaded asset or images into the file system and the next option

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is we can save the images or the asset into our database, for example, MongoDB.

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The next option is we can upload the images to a third party server.

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So among this one, which one is the best way to go?

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If you try to save images into the file system one, the images will be hosted on the user's machine.

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So for this option, let's say if a user machine get crashed or the user accidentally deletes, the

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file is going to affect the application.

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If we choose to save images into the database, one is going to slow down your application.

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And two, you can exceed the database limit because some files are really big.

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So the best way to go is to use a third party server.

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And for this we have couple of them talking about A.W. s and Cloud Ordinary.

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So for our case, we are going to stick to the cloud that is a third party server to better understand

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the flow, how we can upload file to a third party server unless you have an idea how we can send file

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to the file system.

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So first I will show you how we can upload files into the file system and then we move on to the third

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party server.

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All right.

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The next video, let's get started.