Aws overview part 3(databases, dns and management services)
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AWS Auto Scaling monitors applications and automatically adjusts cloud resources to maintain performance and reduce costs. It allows scaling of resources like EC2 instances, EC2 Spot Fleets, ECS tasks, DynamoDB tables, and Aurora replicas. Auto Scaling makes scaling simple with recommendations to optimize performance or costs. It ensures applications always have the right resources.
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Aws overview part 3(databases, dns and management services)
- 1. Intro
- 2. AutoScaling 2 ▪ AWS Auto Scaling monitors your applications and automatically adjusts capacity to maintain steady, predictable performance at the lowest possible cost. ▪ Using AWS Auto Scaling, it’s easy to setup application scaling for multiple resources across multiple services in minutes. ▪ The service provides a simple, powerful user interface that lets you build scaling plans for resources including Amazon EC2 instances and Spot Fleets, Amazon ECStasks, Amazon DynamoDB tables and indexes, and Amazon Aurora Replicas. ▪ AWS Auto Scaling makes scaling simple with recommendations that allow you to optimize performance, costs, or balance between them. ▪ If you’re already using Amazon EC2 Auto Scaling to dynamically scale your Amazon EC2 instances, you can now combine it with AWS Auto Scaling to scale additional resources for other AWS services. ▪ With AWS Auto Scaling, your applications always have the right resources at the right time.
- 3. AutoScaling 3 ▪ For example, the following Auto Scaling group has a minimum size of 1 instance, a desired capacity of 2 instances, and a maximum size of 4 instances.The scaling policies that you define adjust the number of instances, within your minimum and maximum number of instances, based on the criteria that you specify.
- 4. Register a Domain Name 4 ▪ You will connect that domain name through the Domain Name System (DNS) to a currently running EC2 instance (such as aWebApp, or website runningWordPress, Apache, NGINX, IIS, or otherWebsite platform). If you already have a domain name registered, do step 1 and then refer to your domain registrar’s documentation for how to set the DNS record for your new site. ▪ Cost implications: – There's an annual fee to register a domain, ranging from $9 to several hundred dollars, depending on the top-level domain, such as .com. For more information, see Amazon Route 53 Pricing for Domain Registration.This fee is not refundable. – When you register a domain, we automatically create a hosted zone that has the same name as the domain.You use the hosted zone to specify where you want Amazon Route 53 to route traffic for your domain.The fee for a hosted zone is $0.50 per month.You can delete the hosted zone if you want to avoid this charge.
- 5. Step 1: Obtain a Static URL 5 ▪ Click https://us-east- 1.console.aws.amazon.com/ec2/v2/home?region=us-east- 1#Addresses:sort=publicIp to open the Elastic IPs part of the EC2 console in a new window and click Allocate New Address.
- 6. Step 1: Obtain a Static URL 6 ▪ Set EIP used in: toVPC and clickYes, Allocate. ▪ Note your new IP address and click Close.
- 7. Step 1: Obtain a Static URL 7 ▪ Select the new IP address in the Elastic IP column. Press the Actions button and choose theAssociate Address option.
- 8. Step 1: Obtain a Static URL 8 ▪ Click in the Instance text box and choose the option that has your instance name.
- 9. Step 1: Obtain a Static URL 9 ▪ Make a note of your new IP address in the Elastic IP column. ▪ Verify that your new Elastic IP address is working.
- 10. Step 2: Register a Domain Name 10 ▪ Open the Route 53 console in a new window (Route 53 is AWS’s DNS service).You can register new domain names with Route 53 as well as manage DNS records for your domain. – Select Get Started Now under Domain Registration.
- 11. Step 2: Register a Domain Name 11 ▪ Click the Register Domain button. On the next screen, enter the domain you want in the Choose a Domain box (cloudexamples is shown in the image, then select aTop Level Domain(TLD) (e.g. .com, .org, .co.uk, etc.) And click the Check button to see if the domain is available. If the domain is available, click the Add to cart button and scroll to the bottom of the page to click Continue.
- 12. Step 2: Register a Domain Name 12 ▪ Enter yourContact Details.These are the details that will be associated with your domain name.When you are done, click Continue at the bottom of the page.
- 13. Step 2: Register a Domain Name 13 ▪ Review the details as they are listed and, if they are correct, check the box titled I have read and agree to the AWS Domain Name Registration Agreement.Then click the Complete Purchase button.
- 14. Step 2: Register a Domain Name 14 ▪ If you registered a domain that has a generic top-level domain (such as .com), you'll receive an email that asks you to confirm your email address. (We don't send an email if we already have confirmation that the email address is valid.) – You must follow the link in this email to confirm your email address, or the domain won't be registered. – For all domains, you'll receive an email when your domain registration has been approved.
- 15. Step 3: Configure DNS 15 ▪ Open the Hosted Zones part of the Route 53 console. Next, click on the domain name you created in step 2 (in this example we are using cloudexamples.com but your domain will be different).
- 16. Step 3: Configure DNS 16 ▪ If you have a static IP address for your website, virtual server, or service; select Static IP Address below. ▪ If you have a Fully Qualified Domain Name (FQDN) for your resource (this is common for applications launced by Elastic Beanstalk, Lambda functions, S3 static sites and more advanced deployments using Elastic Load Balancing) please select Fully Qualified Domain Name (FQDN) below. – Static IP Address – Fully Qualified Domain Name
- 17. Step 3: Configure DNS: Static IP Address 17 ▪ Click the Create Record Set button. On the right side of the window, enter www in the Nametext box. Enter the Elastic IP address you created in step 1 in theValue box and then click Create.
- 18. Step 3: Configure DNS: Static IP Address 18 ▪ Verify that you have a new entry in the main table with the value you entered.
- 19. Step 3: Configure DNS: Static IP Address 19 ▪ Verify that your website is now available at your new domain by typing your new website address into your web browser.
- 20. Step 3: Configure DNS: FQDN 20 ▪ Click the Create Record Set button. On the right side of the window, enter www in the Nametext box.Then selectYes for the Alias setting. An AliasTarget box will appear, click in the Alias Target box and you will see a list of resources that you have available. Select the resource you want to point to (this will be under Elastic Load Balancers and should the resource associated with your Elastic Beanstalk deployed application), then click Create.
- 21. Step 3: Configure DNS: FQDN 21 ▪ Verify that you have a new entry in the main table with the value you entered.
- 22. Step 3: Configure DNS: FQDN 22 ▪ Verify that your website is now available at your new domain by typing your new website address into your web browser.
- 23. CloudFormation 23 ▪ AWS CloudFormation provides a common language for you to describe and provision all the infrastructure resources in your cloud environment. ▪ CloudFormation allows you to use a simple text file to model and provision, in an automated and secure manner, all the resources needed for your applications across all regions and accounts.This file serves as the single source of truth for your cloud environment. ▪ AWS CloudFormation is available at no additional charge, and you pay only for the AWS resources needed to run your applications.
- 24. CloudFormation 24 ▪ Templated resource provisioning • – Create templates to describe the AWS resources used to run your application – Provision identical copies of a stack
- 25. CloudFormation 25 ▪ Create templates of the infrastructure and applications you want to run onAWS ▪ Have CloudFormation automatically provision the required AWS resources and their relationships from the templates ▪ Easily version, replicate, or update the infrastructure and applications using the templates ▪ Integrates with other development, CI/CD, and management tools
- 26. CloudFormation 26 ▪ Create templates of the infrastructure and applications you want to run onAWS ▪ Have CloudFormation automatically provision the required AWS resources and their relationships from the templates ▪ Easily version, replicate, or update the infrastructure and applications using the templates ▪ Integrates with other development, CI/CD, and management tools
- 27. Cloud Best Practices 27 ▪ Design for failure and nothing will fail ▪ Decouple your components ▪ Implement elasticity – Automate your infrastructure – Bootstrap your instances ▪ Think parallel ▪ Keep dynamic data closer to the compute and static data closer to the end-user.
Editor's Notes
- #4: https://docs.aws.amazon.com/autoscaling/ec2/userguide/what-is-amazon-ec2-auto-scaling.html
- #6: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #7: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #8: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #9: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #10: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #11: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #12: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #13: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #14: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #15: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #16: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #18: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #19: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #20: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #21: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #22: https://aws.amazon.com/getting-started/tutorials/get-a-domain/
- #23: https://aws.amazon.com/getting-started/tutorials/get-a-domain/