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Lambda – Versions, Aliases and Canary Routing So let’s talk about AWS lambda versions because as soon as you start working on lambda functions and putting them in dev test cases, this is where the functions and aliases that we see in the next slide are really, really important. So when you work on the function, you work on the version called “latest,” and that makes sense. What you change is the most recent version, and the most recent is Mutable. Mutable means that we can change it as we…

Elastic Beanstalk – Worker Environments So, by the way, you could go ahead and terminate this environment. So I’m just going to enter the name of the environment and terminate it. So I enter “test ends” and click on “terminates.” Or you could have done EB-terminate in the CLI to terminate this. So if you do EB terminations, this would have done it as well. Okay, so now let’s go ahead and create a new environment. So I’ll create environments, and one of them will be a worker environment. So…

Elastic Beanstalk – .ebextensions for commands & container commands So let’s look at one last reference file for our EB extension. And this is called a command. So let’s paste this into our EB extensions directory. And here we go. I’ll set the highlighting to be YAML, and then we can read it better. Okay, so it’s called container commands confit number three. And this is the way to specify commands for your EC2 instances to run as part of your Elastic Beanstalk deployments. So you have two types of…

Elastic Beanstalk – EB CLI Okay? So we are going to get started with AWS elastic beanstalk, but we’re not going to use the console for now. We’re going to go a little bit more hands-on and go straight to using the CLI and the ebcli. So the ebcli is a command-line interface that allows you to connect to the elastic beanstalk and interact with it in a much more programmatic way. So to instal it, there are two ways. Either use the ebcli setup scripts from this, and read…

CloudFormation – Drift Detection So now let’s talk about drift. Drift is the detection of the fact that the cloud formation template, which has been created, has deviated from its configuration due to manual intervention. So let’s have a look. I have a template called Drift Security Group. And this security group has one parameter called VPC ID to reference the VPC. And then we create two security groups: an SSH security group and an HTTP security group. So let’s go ahead and do this, and then we’ll modify them…

CloudFormation – Parameters from SSM Okay, so our first topic for cloud formation for DevOps is going to be understanding how we can use parameters from SSM, or Systems Manager, in the Parameter Store to inject them into our cloud formation templates. So let’s have a look at what it looks like, and then we’ll be discussing use cases. So here are our confirmation templates, and here you have a parameter section, and we have an instance type parameter. But now the type is not a string as we’re used…

  CloudFormation Rollbacks Okay, so as we saw, our instance creation failed, and so we got a rollback. So, if you fail to create a stack using the create stack API, everything rolls back and everything is deleted by default. And so we can just look at the log within the cloud formation console, and so that basically means failure equals rollback. So that’s the parameter of the API: failure equals rollback. However, if we wanted to travel shoots, we would disable the rollback and manually travel shoots. And that’s…

CloudFormation Parameters Now that we’ve seen resources, the second most important one is going to be parameters, and parameters are a way to provide inputs to your confirmation template. They are super important to know about if you want to reuse your templates across the company or, you know, other ELI accounts or regions, and some inputs cannot be determined ahead of time. For example, the key pair you’re going to link to easy to instance parameters is extremely powerful; it can be controlled, and it can prevent errors in…

About the exam Now that you are done with this course, you are ready to go ahead and take the exam. So over here we are on the exam page. So over here, you can go ahead and schedule your exam. Here you have the price of the exam. If you go ahead and scroll down, you can actually go ahead and download the exam skills outline. So these are all the skills that are being measured as part of the exam. Now over here in another tab, this is…

Lab – Speech Service – Text to speech Now, similar to generating text from speech, you can also go ahead and use the speech service to go ahead and convert text into speech. So over here in this net program, I’m going ahead and basically using the same service that I have over here. So again, this is the same end point and the same key, and it’s very simple. Over here, I’m ensuring that this text, “Welcome to this course on artificial intelligence,” is converted into speech and then…