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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Tale of Two Pizzas: Developer Tools at AWS @darkosubotica ln/darko-mesaros twitch.tv/ruptwelve youtube.com/ruptwelve

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. The Three What's! • What is DevOps? • What is a Modern Application? • What Tools make my life easier?

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. What is DevOps?

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. What is DevOps? • Cultural philosophies • Practices • Tools

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. DevOps Culture • Dev & Ops coming together • No more “silos” • Shared responsibility • Ownership • Visibility and communication

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. DevOps Practices • Microservices • Moving away from “monolithic” application architecture to many individual services

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. DevOps Practices • Continuous Integration • Continuous Delivery & Deployment

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. DevOps Practices • Infrastructure as Code • Model your AWS resources using code

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. DevOps Practices • Monitoring and Logging • Track and analyze metrics and logs • Understand real-time performance of infrastructure and application

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Reliability Benefits of DevOps Speed Scale Rapid Delivery Improved Collaboration Security

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. $(whoami) Darko Mesaroš / Darko Meszaros / Дарко Месарош Berlin @darkosubotica ln/darko-mesaros twitch.tv/ruptwelve youtube.com/ruptwelve

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Tell me about Amazon’s Story

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Development transformation at Amazon: 2001–2002 monolithic application + teams 2001 Lesson learned: decompose for agility 2002 microservices + 2 pizza teams

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Retail Platform (2009)

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Full ownership Full accountability “DevOps” Focused innovation Two-pizza teams

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Things went much better under this model and teams were releasing faster than ever, but we felt that we could still improve.

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. In 2009, we ran a study to find out where inefficiencies might still exist

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. We were just waiting. Wait Write Code Wait Build Code Wait Deploy to Test Deploy to Prod

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. We were just waiting. Wait Write Code Wait Build Code Wait Deploy to Test Deploy to Prod Mins Days Mins Days Mins Days Mins

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. We were just waiting. Wait Write Code Wait Build Code Wait Deploy to Test Deploy to Prod Weeks Mins Days Mins Days Mins Days Mins

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. We were just waiting. Wait Write Code Wait Build Code Wait Deploy to Test Deploy to Prod Weeks Mins Days Mins Days Mins Days Mins

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. https://secure.flickr.com/photos/lindseygee/5894617854/

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Automated actions and transitions; from check-in to production Development benefits: • Faster • Safer • Simplification & standardization • Visualization of the process

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. This has continued to work out really well: In 2014: • Thousands of service teams across Amazon • Building microservices • Practicing continuous delivery • Many environments (staging, beta, production) 50 million deploys

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. This has continued to work out really well: Every year at Amazon, we perform a survey of all our software developers. The 2014 results found only one development tool/service could be correlated statistically with happier developers: Our pipelines service! continuous delivery == happier developers!

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Monolith development lifecycle monitor release test build developers delivery pipelines services

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Microservice development lifecycle ??? developers delivery pipelines services

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Microservice development lifecycle developers services monitor release test build delivery pipelines monitor release test build monitor release test build monitor release test build monitor release test build monitor release test build

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Listen Iterate Experiment Innovation Flywheel Experiments power the engine of rapid innovation

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. What is a Modern Application?

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. What changes do you need to make to adopt these best practices? Serverless No provisioning/management Automatic scaling Pay for value billing Availability and resiliency Microservices Componentization Business capabilities Products not projects Infrastructure automation DevOps Cultural philosophies Cross-disciplinary teams CI/CD Automation tools DEV OPS Architectural patterns Operational Model Software Delivery

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Approaches to modern application development • Simplify environment management • Reduce the impact of code changes • Automate operations • Accelerate the delivery of new, high-quality services • Gain insight across resources and applications • Protect customers and the business

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Approaches to modern application development • Simplify environment management with serverless technologies • Reduce the impact of code changes with microservice architectures • Automate operations by modeling applications & infrastructure as code • Accelerate the delivery of new, high-quality services with CI/CD • Gain insight across resources and applications by enabling observability • Protect customers and the business with end-to-end security & compliance

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Approaches to modern application development • Simplify environment management with serverless technologies • Reduce the impact of code changes with microservice architectures • Automate operations by modeling applications & infrastructure as code • Accelerate the delivery of new, high-quality services with CI/CD • Gain insight across resources and applications by enabling observability • Protect customers and the business with end-to-end security & compliance

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Approaches to modern application development • Simplify environment management with serverless technologies • Reduce the impact of code changes with microservice architectures • Automate operations by modeling applications & infrastructure as code • Accelerate the delivery of new, high-quality services with CI/CD • Gain insight across resources and applications by enabling observability • Protect customers and the business with end-to-end security & compliance

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Release process stages Source Build Test Production

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Release process stages Source Build Test Production • Integration tests with other systems • Load testing • UI tests • Security testing • Check-in source code such as .java files • Peer review new code • Compile code • Unit tests • Style checkers • Create container images and function deployment packages • Deployment to production environments • Monitor code in production to quickly detect errors

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Release process stages Source Build Test Production

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Release process stages Source Build Test Production

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Pillars of releasing modern applications

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. What Tools should I use?

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Pillars of releasing modern applications Infrastructure as code

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Infrastructure as code ✓ Make infrastructure changes repeatable and predictable ✓ Release infrastructure changes using the same tools as code changes ✓ Replicate production in a staging environment to enable continuous testing

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS CloudFormation • Infrastructure as code (IaC) • Provides a common language for you to describe and provision all the infrastructure resources in your cloud environment • Build and rebuild your infrastructure and applications, without having to perform manual actions or write custom scripts https://aws.amazon.com/cloudformation/

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Model function environments with AWS Serverless Application Model (SAM) • Open source framework for building serverless applications on AWS • Shorthand syntax to express functions, APIs, databases, and event source mappings • Transforms and expands SAM syntax into AWS CloudFormation syntax on deployment • Supports all AWS CloudFormation resource types https://aws.amazon.com/serverless/sam/

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. SAM template AWSTemplateFormatVersion: '2010-09-09’ Transform: AWS::Serverless-2016-10-31 Resources: GetFunction: Type: AWS::Serverless::Function Properties: Handler: index.get Runtime: nodejs8.10 CodeUri: src/ Policies: - DynamoDBReadPolicy: TableName: !Ref MyTable Events: GetResource: Type: Api Properties: Path: /resource/{resourceId} Method: get MyTable: Type: AWS::Serverless::SimpleTable Just 20 lines to create: • Lambda function • IAM role • API Gateway • DynamoDB table

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved.

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved.

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Shorten the learning curve with AWS Cloud Development Kit (CDK) Late 2020 Brings cloud infrastructure to developers in ways the can understand • Build cloud infrastructure with the languages they already know • Use their existing tools and workflows • Helpful abstractions that remove the need to learn the details • Vibrant and fast-growing community of developers

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS Cloud Development Kit (AWS CDK) A multi-language development framework for modeling infrastructure as reusable components

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Pillars of releasing modern applications Infrastructure as code

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Pillars of releasing modern applications Continuous integration

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Continuous integration goals Source Build Test Production

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Continuous integration goals 1. Automatically kick off a new release when new code is checked in 2. Build and test code in a consistent, repeatable environment 3. Continually have an artifact ready for deployment 4. Continually close feedback loop when build fails

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS CodePipeline • Continuous delivery service for fast and reliable application updates • Model and visualize your software release process • Builds, tests, and deploys your code every time there is a code change • Integrates with third-party tools and AWS

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS CodePipeline: Supported sources Pick branch AWS CodeCommit GitHub Pick object or folder Amazon S3 Pick Docker tag Amazon ECR Automatically kick off release and pull latest source code

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS CodePipeline: ECR source action Source code: “master” branch ECR repository: “release” tag

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS CodeBuild • Fully managed build service that compiles source code, runs tests, and produces software packages • Scales continuously and processes multiple builds concurrently • No build servers to manage • Pay by the minute, only for the compute resources you use • Monitor builds through CloudWatch Events

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS CodeBuild: Docker buildspec version: 0.2 phases: build: commands: - $(aws ecr get-login --no-include-email) - docker build -t $IMAGE_REPO_NAME:$IMAGE_TAG . - docker tag $IMAGE_REPO_NAME:$IMAGE_TAG $ECR_REPO:$IMAGE_TAG - docker push $ECR_REPO:$IMAGE_TAG

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Continuous integration goals 1. Automatically kick off a new release when new code is checked in 2. Build and test code in a consistent, repeatable environment 3. Continually have an artifact ready for deployment 4. Continually close feedback loop when build fails

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Pillars of releasing modern applications Continuous integration

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Pillars of releasing modern applications Continuous deployment

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Continuous deployment goals Source Build Test Production

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Continuous deployment goals 1. Automatically deploy new changes to staging environments for testing 2. Deploy to production safely without impacting customers 3. Deliver to customers faster: Increase deployment frequency, and reduce change lead time and change failure rate

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. AWS CodeDeploy • Automates code deployments to any instance and Lambda • Handles the complexity of updating your applications • Avoid downtime during application deployment • Roll back automatically if failure detected • Deploy to Amazon EC2, Lambda, or on-premises servers

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. CodeDeploy-Lambda deployments • Shifts traffic using Lambda function weighted aliases • Choose canary (“shift 10% of traffic for 10 minutes, then shift rest”) or linear (“shift 10% more traffic every 10 minutes”) • Validation “hooks” enable testing at each stage of the deployment • Fast rollback in seconds if case of hook failure or CloudWatch alarms • Monitor deployment status and history via console, API, Amazon Simple Notification Service (Amazon SNS) notifications, and CloudWatch Events

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. CodeDeploy – Lambda deployments Enable in your serverless application template Resources: GetFunction: Type: AWS::Serverless::Function Properties: DeploymentPreference: Type: Canary10Percent10Minutes Alarms: - !Ref ErrorsAlarm Hooks: PreTraffic: !Ref PreTrafficHook Canary10Percent30Minutes Canary10Percent5Minutes Canary10Percent10Minutes Canary10Percent15Minutes Linear10PercentEvery10Minutes Linear10PercentEvery1Minute Linear10PercentEvery2Minutes Linear10PercentEvery3Minutes AllAtOnce

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. CodeDeploy – Lambda canary deployment API Gateway Lambda function weighted alias “live” v1 Lambda function code 100%

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. CodeDeploy – Lambda canary deployment API Gateway Lambda function weighted alias “live” v1 code 100% Run PreTraffic hook against v2 code before it receives traffic v2 code 0%

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. CodeDeploy – Lambda canary deployment API Gateway Lambda function weighted alias “live” v1 code 90% Wait for 10 minutes, roll back in case of alarm v2 code 10%

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. CodeDeploy – Lambda canary deployment API Gateway Lambda function weighted alias “live” v1 code 0% Run PostTraffic hook and complete deployment v2 code 100%

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Continuous deployment goals 1. Automatically deploy new changes to staging environments for testing 2. Deploy to production safely without impacting customers 3. Deliver to customers faster: Increase deployment frequency, and reduce change lead time and change failure rate

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Pillars of releasing modern applications Continuous deployment

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Demo

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Takeaways 1. No one knows what is DevOps 2. Decompose for Agility 3. Use the right tool for the right job – and focus your efforts on your value not everything else around it!

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© 2020, Amazon Web Services, Inc. or its Affiliates. All rights reserved. @darkosubotica ln/darko-mesaros twitch.tv/ruptwelve youtube.com/ruptwelve