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In this video, we are going to talk about a cost management.

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During the course, we will provision and deploy lots of aid services on a soulless cloud environment

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and these are mostly free services with the PDT account.

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Then I prepared this course.

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Ada didn't charge me any amount of money from Ada Lovelace with definitive account.

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So if you follow me with pretty record, you don't get charged.

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But you should consider and careful that these are paid services that come with the cost.

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So let me show my billing result.

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Here is my cost and usage for our course development.

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As you can see that I didn't charge any amount of cost for my usage and here is the multi-tier usage

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of the services.

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As you can see that I have sent lots of requests to the services when preparing this course.

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And all these services has zero cost of me with following the detailed account.

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See that I have almost 300 request usage for a lambda 200 request for a case and these are spending

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very low amount of the limits.

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You can also see the place finisher account usage limits under the second column here, the limits in

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here, and we only use very low amount of the limit.

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So you can see this detail page into the cost management module than you can access from your dashboard

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page in the management console.

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But you should log in with the root user.

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Only root user can see these details.

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Now I would like to show you a place visitor account limits.

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You can also see a little account limits from the official website.

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If you open the a free tier account page, you can scroll down and see in here.

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As you can see that there is some filters according to type.

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If you click the always free, you can see that really good amount of free usage limits giving.

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With the free tier account which is free to account, we can use more than 100 products for building

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applications and most of the services allow a good amount of users depending on the product.

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But I can say that these free tier account is really, really sufficient to develop something like average

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applications on a list.

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So infinity, the account details.

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If you click the always free checkbox in here, we can see that 25 gigabyte dynamo DB 1 million Lambda

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Requests, 1 million Amazon SNS request and one Terabyte, Amazon Cloud Pro and so on.

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So these are good amount of numbers that you can create your own startup application with this three

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tier account and the power of the high scalability and high availability.

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So if you come back to our slide.

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So now we can talk about to be careful when following this course.

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I always clear resources after finish the section or leave from computer at this stage.

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I would like to emphasize the quote from the ADA CTO Werner Vogels about the cloud usage and global

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warming.

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Why don't Google set that turn off the lights before leaving the room?

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So you can think that if you leave from your computer and shut the light off, that means you also shut

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down the resources.

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He's saying this for the unused resources on the cloud, but from our course perspective, we can also

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follow this code because we don't need to stay live on production.

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We can think that we are going to prepare demo session with your customer and you should show the serverless

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applications during the customer presentation.

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And after that we should shut down the resources since new customer session arranged.

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Please consider this and clear all resources after you finish the work at that day or you are leaving

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to your computer.

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This is very important and the second consideration is don't share a place, account, sub user or API

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access K with anyone.

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So this is another important topic that we should consider that a s account has sub user and API access

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case and we should not share this information for anyone or any time period.

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This is so important rule to avoid unexpected costs from a w is when you share this, that means you

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allow someone to create resources on a w.

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So please consider these warnings.

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And if you follow these principles, you won't be charged any costs during the course.

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Now we can start our course.
