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In this video we are going to create connection string for MongoDB to be able to interact with the MongoDB

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database using our express application.

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So the first step is that if you don't have an account, click on try free.

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But if you have one click on sign in and I'm going to click on sign in and here I'm going to look in

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using my preferred login details, I'll start.

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All right.

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The next step is that click on this icon to create a project for me.

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I have a couple of projects that I've created, so I'll scroll down and then I'll click on New Project.

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The name of this project, I'll call this one as full stack block version three, and I'll click on

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next.

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Next is click on Create project.

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Next step is click on build a database, and here select the free tier by clicking on create.

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And here you need to select your cloud provider, meaning a region that is close to you.

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So I will select the default and I'll scroll down.

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And for the cluster name, I would like to rename this one as full stack block version three as a name

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of my project.

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For this we can use any name, so I'll click on Create Cluster.

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Next step is I need to provide the user.

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So here I'll provide a novatek.

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For the password.

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I'm going to click on auto generate secured password going to be as that.

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So next step is that make sure you copy the password because you may need it in the application to be

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able to connect.

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So I'll click on Copy.

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And lastly, I'll click on Create User.

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So let me get back to the application and let me pass the password here as that.

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For the meantime, the next step is that we need to add the IP address, meaning which region that you

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want them to use your application.

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If you click on add my current IP address, meaning that only users within my region can have access

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to my application.

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But for this one, I want anybody on the internet to have access to the application.

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So I'm going to provide a universal IP address at 0.0.0.04 zeros and I will click on Add entry.

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The next step is that I'll click on finished and close and click on Go to databases and here we go.

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So let's have some patience.

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What it is building our cluster.

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So what is building?

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Let's get back to application.

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And in here we are going to create a file called Dot E and V.

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So at the root of the project, I'm going to create one file and this one going to be as dot E and V.

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So what is the E and V file?

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This file is going to contain the code that we don't want to expose to the outside world, meaning a

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code that is more private for our case.

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A code that is more private for now is our MongoDB connection string.

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So if we expose our database connection string, it means that if a user have access to that, that

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user can perform all the operation of which we are not even aware of.

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In that way, we need to secure that.

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So here I'm going to provide a name called Mongo.

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You are l.

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And it's equal to the name of our connection strength.

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So here it has financed through our click on Connect and we have couple of options.

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So in here we are going to use Connect your application and I'll click on this one and I'm good to go.

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Lastly, I'll click on Close.

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So back here, I'm going to paste that one.

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So let's look at the you are here.

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You can see that after first latch we have the user and this what I provided and we have a password

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placeholder and you are going to use the password that I copied.

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For me this is my password and for this one I will change it after this video.

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So make sure that you use the exact password of yours.

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So I'm going to remove this one and then paste that one here and you can see this one is the name of

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the project.

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And after four slash here we are going to add the custom database name.

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If you don't do that, MongoDB is going to use what is called test database.

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So for this I'm going to name this one as full stock block.

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Next step is that we need to use this file inside the connect because you may need the connection string

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here or better so we can copy this one.

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And inside a deep connection string here, I will move this one and paste that.

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So let's save it.

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And now let's check our terminal and you can see that we have what is called DB Connect successfully.