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- So let's have a look at

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Amazon Elastic Beanstalk.

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And this is just an introduction

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in the Solutions Architect course,

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if you really wanna go deep dive on it,

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this is something that is treated very heavily

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at the developer exam.

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But right now this is just an overview,

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just to show you how it works.

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So let's create an Amazon Elastic Beanstalk application.

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I'll call this one demo Beanstalk.

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Scroll down.

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Then we have to choose a platform.

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So you can see Beanstalk can run many different things

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from Docker to some programming languages and so on.

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And to keep things simple, I'm going to use Node.js.

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You can use whatever default are there.

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They will change over time, but just keep them as default.

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Then we could upload our own code, but we don't have that.

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So let's just go ahead and deploy a sample application.

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But before we create this application

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I wanna show you the kind

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of options that are offered by Elastic Beanstalk.

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So when you click on this,

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you have a list at all the configurations possible.

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And you have configuration presets,

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for example, single instance,

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that is going to be Free Tier eligible,

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or single instance, using a Spot Instance,

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or high availability or high availability with Spot

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and On-Demand instances or any type of custom configuration.

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So we'll remain within the Free Tier.

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So we'll choose that,

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but let's have a look at what the options are.

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So the platform we just chose from before.

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Then we can enable some kind of software

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on top of Beanstalk.

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We can choose whatever instances that we want,

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customize them in terms of storage and so on.

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The capacity.

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So if we want to have, and I will show you this right now,

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if we want to have one or multiple EC2 instances

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if they're load balanced or not, if they're

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in Auto Scaling group,

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if you want on demand or spot instances.

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So you can see, you can customize a lot of things.

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The instance types that we want to allow for this,

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so t2.micro, t2.small, the AMI,

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the triggers for Auto Scaling.

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So as you can see, Beanstalk is kind of like a summary

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of everything that we've learned so far, right?

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Load balancer, if you have one, then how do you do updates?

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What security you have, the monitoring,

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the managed updates notifications, network configuration

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and if you wanna add a database.

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So all these settings you do not have to know,

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but what I wanna show you is that using Elastic Beanstalk,

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all we had to do and to choose was,

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'Hey, what platform do we want?'.

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Let's upload our application code.

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And all of a sudden we'll have a fully

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managed platform that encompasses a lot of the features

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we need to run this application without us specifically

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knowing about EC2 instances,

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load balancers, auto scaling groups

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and configuring them independently.

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So let's go ahead and just create this sample application.

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Right now with the default settings, which is the Free Tier.

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So once you do this, it's going to actually

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create a Beanstalk environment.

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And this can take a while.

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And behind the scenes, there's a service that will have

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a look very quickly at well, at it in the course

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which is CloudFormation.

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And so if you go to CloudFormation,

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in here you will find a stack.

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And this is this stack right here,

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and this is going to actually create

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all the infrastructure needed

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for our Elastic Beanstalk application.

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So this is something that's really

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out of scope in terms of understanding how that works,

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but just so you know, Beanstalk behind the scenes leverages

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CloudFormation to deploy your application.

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So I'm going to close this

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and all the feedback is coming from here.

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So now we have to wait five minutes

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until everything is gonna be created.

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And as you can see this created a security group,

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this created an Elastic IP because we are using

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a single instance right now, deployment.

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If you did change some configuration

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and not use a single instance,

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you will see an auto-scaling group

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and a load balancer in here.

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So now I get the feedback that the application

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is successfully launched and using this URL right here,

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by clicking on it,

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I can get access to this congratulations page

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which represents the fact that my Node.js

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application has been deployed on Elastic Beanstalk

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and this is the result of it.

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I can access it using a URL, which is really cool.

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And if I just go into the EC2 console

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to see what has been created,

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So I can go in here, I can see

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that one instance is running, and this is this one.

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And if I click on it

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as you can see, my instance is running.

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It has a public IPv4 address.

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And that address is if we have a look

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on the left hand side, it's an Elastic IP right here.

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So this is because I'm running in the single instance mode.

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So that's why we have an Elastic IP.

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But if you are not running in signal instance mode

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you will not see this.

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And then if we go into security groups

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we will find a security group just

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for my Beanstalk environment right here.

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So this is just for my instance that has been created.

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And if I go into Auto Scaling group, we can see

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that a Auto Scaling group is managing my EC2 instance

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on Elastic Beanstalk, okay?

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So that's it, that's just a very short introduction

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into Elastic Beanstalk.

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When you're done, you go to applications

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you take this one, action, and then delete application.

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You copy the name and delete it and you're done.

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So, yeah, that's it for this lecture.

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I hope you liked it.

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And I will see you in the next lecture.