Going serverless with aws lambda
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An introduction to serverless computing on AWS Lambda. Review of why you'd what to go serverless, what technologies are supported and the basics of the service on AWS. A demo walks through setting up a Lambda function using .NET Core, C# and Visual Studio. Taken from a talk given at Atlanta Code Camp 2019.
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Going serverless with aws lambda
- 1. STARTUP X 1 Going Serverless with AWS Lambda
- 2. STARTUP X 2 About Me • Principal Consultant with Improving Atlanta • Contributing Writer to Business2Community & The Enterprisers Project • 20 Years Doing Application Development • Worked with Clients in AWS & Azure Clouds • Certified AWS Developer Associate • Drove Amazon Partnership Effort at Improving
- 3. STARTUP X 3 Agenda What is Serverless & Why Should We Use It AWS Lambda How Companies are Using Lambda to Change Business Setting Up a Lambda Function Using .NET Core, C# and Visual Studio
- 4. STARTUP X 4 What is Serverless? NEW ERA OF APPLICATION DEVELOPMENT IN THE CLOUD ALLOWS YOU TO RUN CODE WITHOUT PROVISIONING SERVERS THERE ARE SERVERS INVOLVED. YOU JUST AREN’T MANAGING THEM EVENT-DRIVEN CLOUD COMPUTING. EVENT TRIGGERS CODE THAT HAS BEEN LOADED ONTO THE SYSTEM. BUILDING ON A FUNCTION BY FUNCTION BASIS (FAAS)
- 5. STARTUP X 5 Why Serverless? Pay by the Execution In AWS, the first 1,000,000 are free. $.20 per million thereafter. $0.00001667 GB-second of compute time per execution Effortless Scaling No concern over scaling up or down infrastructure. Performance is always optimized. No Maintenance The cloud provider handles all maintenance so no patching, no licensing, Cost Matches Usage Only pay for the compute time you consume.
- 6. STARTUP X 6 Flavors of Serverless AWS Lambda Azure Functions Google Functions • More extensive language support (PHP, Typescript, F#, Powershell) • Built for hybrid cloud • Only supports NodeJS & Python • Slow product development What really matters is the availability of and consumption of other services to within the cloud provider ecosystem. Being able to execute functions in response to events is only as useful as what you can actually do within the execution pipeline. This is where the services differ — their ability to to pass data to backend services, perform calculations, transform data, store results, and quickly retrieve data. • First mover (November 2014) • Leader in serverless computing • Experimental language options • Built for pure cloud
- 7. STARTUP X 7 AWS Lambda … AWS Runs 70% of Serverless User Base Industry Leader Announced at re:Invent November 2014. Preceded Azure Functions by 2 Years. First Mover 32% market share compared to 17% for Azure AWS Cloud Twice Size of Azure Alexa product development driven by internal stakeholders providing initial demand and use cases Innovates and Leads on Functionality
- 8. STARTUP X 8 History of Lambda NOVEMBER 2014 •Lambda is released to preview at re:Invent. It was born from Amazon’s Alexa personal assistant. Lambda was the engine built to run it. APRIL 2015 •Lambda is released to general availability. JULY 2015 •AWS console adds blueprints for easy creation and testing of Lambda functions. DECEMBER 2016 •Adds support for C# and .NET Core.
- 9. STARTUP X 9 1 3 4 5 Node.js Python Ruby Java Go C# (.NET Core) Can download the AWS Toolkit and work directly in Visual Studio. Setup your Lambda service and push it up to the cloud without leaving Visual Studio. 2 6 Cold start performance advantage due to interpreters with lightweight runtimes. Cold start performance advantage due to interpreters with lightweight runtimes. Higher memory footprint and longer execution times can translate into higher costs.
- 10. STARTUP X 10 Setting Up a Lambda Function 01 03 Handler A function in your code that AWS Lambda can invoke when executing your code exports.myLambdaFunction(Event, context, callback) => {} 02 Runtime Runtime is the language you will be writing your code in. Node.js, Python, C#, Java, Ruby, Go Trigger Dynamo DB table is updated, triggering Lambda code. An HTTP request comes into AWS API Gateway triggering Lambda code. An event fires off on an interval like a cron job from CloudWatch Events
- 11. STARTUP X 11 Using Lambda with Other AWS Services Amazon Kinesis Amazon DynamoDB Amazon Simple Queue Service Elastic Load Balancing Amazon Cognito Amazon Lex Amazon Alexa Amazon API Gateway Amazon CloudFront Amazon Kinesis Data Firehose Amazon Simple Storage Service Amazon Simple Notification Service Amazon Simple Email Service AWS CloudFormation Amazon CloudWatch Logs Amazon CloudWatch Events AWS CodeCommit AWS Config Services that Lambda Reads Events From Services that Invoke Lambda Synchronously Services that Invoke Lambda Asynchronously
- 12. STARTUP X 12 How Companies are Using Lambda Netflix Company 2 The Guardian Financial EnginesFinancial EnginesThe GuardianNetflix iRobot
- 13. STARTUP X 13 Netflix Streaming Media Bohemoth 7 Billion Hours of Video to 50 Million Customers Across 60 Countries. Use event-based triggers to help automate the encoding process of media files, the validation of backup completions and instance deployments at scale New abstraction layer that gets above what they’ve used In the past for more efficiency, cleaner logic for better control of their systems. Rules-based self-managing infrastructure
- 14. STARTUP X 14 SWOT Neil Hunt Chief Product Officer at Netflix
- 15. STARTUP X 15 iRobot IoT Vacuum Device Making Pets Bearable 20 Million iRobots Worldwide Sending Lots of Data. Gartner forecasts that there will be 20.4 billion “connected things” in use worldwide by 2020. Rapid growth necessitated solution to scale more quickly and allow for more direct control Uses 25 AWS services to run the Roomba vacuum Serverless architecture based on AWS IoT and AWS Lambda, iRobot is able to keep the cost of the cloud platform low, avoid the need for subscription services, and manage the solution with fewer than 10 people.
- 16. STARTUP X 16 SWOT iRobot Architecture
- 17. STARTUP X 17 Financial Engines Computational Engine Used to Automate Investment Portfolio Management Serves 9 Million People Holding $1.2 Trillion in Assets 94% savings in hard costs. Replaced 50 IPO servers running in 21 different environments with four Lambda endpoints that handle all the traffic. Near-zero downtime and near-zero performance degradation while serving 200–300 million IPO requests per month at rates of 60,000 per minute during heaviest traffic, which can reach 10 times normal traffic
- 18. STARTUP X 18 The Guardian UK News Provider Runs The Guardian & The Observer 60K people worldwide receive The Guardian newspaper. Uses AWS Step Functions for Workflow Processing Development team relied on disparate distributed systems to store customer data. Translation: new customers not receiving their paper Used step functions to coordinate invocation of Lambda functions. This makes it easy to orchestrate application and business processes in an automated, reliable way.
- 19. STARTUP X 19 SWOT The Guardian Architecture
- 20. STARTUP X 20 Demo C# with .NET Core using Visual Studio
- 21. STARTUP X 21 SWOT Install AWS Toolkit in Visual Studio 2017 or 2019 from Manage Extensions
- 22. STARTUP X 22 SWOT Create a New Project and Search for AWS
- 23. STARTUP X 23 SWOT Under Configure, Input Project Name, Location, Solution & Solution Name
- 24. STARTUP X 24 SWOT Select an AWS Blueprint That You Want Your Function to Follow
- 25. STARTUP X 25 aws-lambda-tools-default.json Holds Configuration Information
- 26. STARTUP X 26 function.cs Holds the Function Code to Invoke
- 27. STARTUP X 27 Right Click on Project & Select Publish to AWS Click on the User Icon to Enter AWS Account Details to Pair Visual Studio Also Select Region You are Uploading to and the Language Runtime
- 28. STARTUP X 28 Under Advanced, Set the IAM Role, Environmental Variables & Config Settings
- 29. STARTUP X 29 You’ll See It Uploading Your Function to AWS
- 30. STARTUP X 30 After the Successful Upload, You Should See the Function in the AWS Console
- 31. STARTUP X 31 Finally, Test Your Function from Within Visual Studio
- 32. STARTUP X 32 Resources Going Serverless with AWS Lambda The companion article I wrote for Business 2 Community. https://aws.amazon.com/free/ AWS Toolkit for Visual Studio https://aws.amazon.com/visualstudio/ Deploy Existing .NET Core Web API to AWS Lambda https://aws.amazon.com/blogs/developer/deploy-an-existing- asp-net-core-web-api-to-aws-lambda/ AWS Free Tier Try Lambda out yourself on Amazon’s dime. https://aws.amazon.com/free/ Creating an AWS Lambda Service with C# https://medium.com/tutorialsxl/creating-aws-lambda-service- in-c-da14989ae1cb
- 33. STARTUP X 33 Thanks Email: [email protected] Twitter: aspprogrammer LinkedIn: /in/softwarearchitect http://markrunyon.com https://improving.com
Editor's Notes
- #3: Improving booth giveaway Career opportunities AWS Certification & Amazon Partnership
- #4: > What/Why of Serverless Flavors of Serverless > AWS Lambda History Languages Supported Using Lamda with Other Services Composition of a Lambda Function > Companies Using Lambda 4 Companies Using Serverless to Fuel Rapid Growth, Drastically Cut Costs & Solve Pain Points > Demo Console & Using Visual Studio
- #5: Not a fan of the name. Where are the servers? What is running my code?
- #6: Azure Functions - .00001666
- #7: Google - only supports NodeJS & Python, slow product development, Azure – more language support PHP, F#, Bash, Typescript, Powershell (experimental) on premise functions run workers wherever you want AWS - unofficial support Haskell, Rust, Elixir, F# (.NET Core) Kotlin, Clojure, Scala, and Groovy (JVM) AWS pure cloud whereas Azure has been a hybrid since the beginning – AWS Outposts and VMWare Partnership (COO)
- #8: https://searchaws.techtarget.com/blog/AWS-Cloud-Cover/AWS-Lambda-serverless-platform-holds-center-stage-for-devs https://www.business2community.com/cloud-computing/8-ways-aws-beats-azure-in-the-cloud-02190398 70% number is a year old. Probably closer to 60-65% but AWS market share alone would suppor that. Better Integration with AWS – John’s Alexa Skill run by Azure Functions Reverse goes for Azure – Better Integration with Microsoft
- #9: https://docs.aws.amazon.com/lambda/latest/dg/lambda-releases.html Java 6/15 : Python 10/15 : Node.js 4/16 : Go 1/18 : Ruby 11/18
- #10: Unofficial support Haskell, Rust, Elixir, F# (.NET Core) Kotlin, Clojure, Scala, and Groovy (JVM) No noticeable difference on warm starts
- #11: event — A key-value pair dictionary of ‘trigger data’ that Lambda passes to the function. context — AWS internal information such as AWS request ID, Lambda expiration timeout, and Log info. callback — A standard async JavaScript callback handler.
- #12: 18 AWS Services Currently
- #16: First internet connected robot September 2015 Large spikes in traffic when customers first use Roomba following Prime Day A house knows what to do and simply acts accordingly use visual simultaneous localization and mapping (vSLAM) technology to navigate an entire level of a home. As the Roomba vacuums, it builds a map of the home, and it is this map that could provide the foundational information needed to help a smart home understand itself and enable truly seamless, autonomous home automation.
- #22: It will force you to shut down and restart Visual Studio before you can use the toolkit
- #34: Slideshow will be posted to Twitter shortly after we wrap up. Business cards