Jak nie zwariować z architekturą Serverless?
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The document explains serverless architecture, highlighting its benefits such as reduced costs, scalability, and ease of deployment. It describes the development process, including the use of tools like the Serverless Framework and AWS Application Composer for building serverless applications. Additionally, it emphasizes the importance of an architecture diagram for ease of understanding and collaboration among team members.
Jak nie zwariować z architekturą Serverless?
- 1. How to avoid going crazy when composing serverless applications? Rafał Gołubowicz
- 2. Rafał Gołubowicz - Senior Node.js Developer in The Software House - Experience with plenty of Backend and Frontend technologies - fan of cloud solutions (AWS Certification soon ^^) - enthusiast of new technologies and simple, unconventional solutions - speaker, trainer, mentor - loves travels, robotics, good books, ukulele and whisky
- 3. Serverless? What's all that noise about? Serverless architecture is a way to build and run applications and services without having to manage infrastructure. Application still runs on servers, but all the server management is done by provider. You no longer have to provision, scale, and maintain servers to run your applications, databases, and storage systems. Source: https://www.ebcgroup.co.uk/news-insights/on-premises-vs-cloud
- 4. How it works? 1. The developers write a function. 2. The developers define an event. (ex. HTTP - GET method) 3. The developers can define authorizers. (ex. JWT) 4. The event gets triggered. 5. The server authenticates API request (if added). 6. The function gets executed. 7. The result gets sent to the user.
- 5. Why should we use it? - reduced costs - no need to run 24/7 server, charge only for the time the function was running. - great scalability - easier to introduce new features - quick deployment - less effort for infrastructure maintenance
- 6. Serverless - use cases ● processing images, ● triggering actions based on various events, ● backend API, ● asynchronous jobs, ● scheduled tasks, ● notifications, ● advanced business workflows
- 7. AWS (Amazon Web Services) is a cloud service provider that offers various computing services that are accessible over the public internet. AWS manage and maintain hardware and infrastructure, saving organizations and individuals the cost and complexity of purchasing and running resources on site. These resources may be accessed for free or on a pay-per-use basis. Presentation is based on the AWS solutions. AWS Serverless
- 9. I want to increase my credit limit!
- 10. Clients ask to increase credit limit Increase credit line process 1 2 Bank reviews client income and history ● Fill out the application form ● Verify the application ● Determine the creditworthiness ● Check credit history ● Increase the credit limit ● Send decision to the client 3 Client got a decision ● Receive a decision
- 11. Do we need an architecture diagram?
- 12. YES.
- 13. Architecture diagram advantages ● makes it easy to discuss architecture by the team, ● better understanding system for anyone involved in the project (including non-technicals), ● helps developers while creating, ● easier to onboard new developers.
- 15. AWS Console
- 20. AWS Console - set up other services, - set up IAM policies, - set up VPC, - test functions on the AWS console. - And… remove everything manually (if needed) :-)
- 22. Serverless Framework Serverless Framework is open source software that builds, compiles, and packages code for serverless deployment, and then deploys the package to the cloud. Serverless Framework helps with development by emulating the Lambda environment. Thanks to many external plugins, it could emulate plenty of serverless services (like AWS Step Functions, AWS API Gateway, etc..). Developer is able to test the each part of application before deploying it to the cloud.
- 23. Infrastructure as Code Infrastructure as Code (IAC) is a way to manage services and networks using code instead of manual work. This means that instead of setting up everything by clicking on AWS Console, you can write the code that describes how the system should be set up and then use tools to automatically configure the system based on that definition. This makes it faster and easier to set up and manage computer systems, and also makes it easier to work together as a team.
- 24. Serverless framework configuration - header
- 25. Serverless framework configuration - provider
- 26. Serverless framework configuration - Lambda functions
- 27. Serverless framework configuration - Step Function
- 28. Serverless framework configuration - workflow definition
- 32. sls deploy function -f verifyApplication
- 33. Composing Serverless Framework services
- 34. Serverless Framework And it’s just a chunk of possibilities with serverless framework offers….
- 36. AWS Serverless Application Model
- 37. AWS App Composer is a new low-code tool for visually designing and building serverless applications. It was announced at the re:Invent conference in December 2022. The service provides developers with a visual canvas and a simple drag and drop interface to create serverless architecture, connect resources and design the functions. AWS Application Composer
- 38. AWS Application Composer - build infrastructure
- 39. AWS Application Composer - generated CF
- 40. AWS Application Composer - issues ● lack of AWS services ● duplication of sections in CloudFormation ● missing important configuration ● making mess in local project ● for the rest of issues check out my latest post on TSH.io/blog
- 42. AWS Console Serverless Framework AWS App Composer + AWS SAM - only AWS - development by managing resources in the dashboard - doesn’t support TS - visual designers for SFN; process can be made by drag and drop; no need to know CloudFormation - needs to remove everything manually - supports multi providers - regular development, most of features can be tested locally - supports TS - a little familiarity with AWS CloudFormation or AWS resources (to know properties/settings) - 1 command to deploy or remove everything - used by many companies; - only AWS - regular development, most of features can be tested locally - supports TS - visual designer, can be connected with local environment; no need to know CloudFormation - 1 command to deploy or remove everything - AWS App Composer is a preview feature
- 44. tsh.io Thanks for your attention! Rafał Gołubowicz Senior Node.js Developer