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What can you do with Serverless… in 2020?

What can you do with Serverless… in 2020?

Serverless Italy Meetup, April 2nd, 2020

Danilo Poccia

April 02, 2020
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  1. © 2020, Amazon Web Services, Inc. or its Affiliates. Danilo

    Poccia Principal Evangelist, Serverless @danilop What Can You Do with Serverless …in 2020 ? © 2020, Amazon Web Services, Inc. or its Affiliates. Danilo Poccia Principal Evangelist, Serverless @danilop What Can You Do with Serverless …in 2020 ?
  2. © 2020, Amazon Web Services, Inc. or its Affiliates. ©

    2020, Amazon Web Services, Inc. or its Affiliates. https://danilop.net https://github.com/danilop/danilop-personal-page
  3. © 2020, Amazon Web Services, Inc. or its Affiliates. How

    does Serverless work? Storage Databases Analytics Machine Learning . . . Your unique business logic User uploads a picture Customer data updated Anomaly detected API call . . . Fully-managed services Events Functions
  4. © 2020, Amazon Web Services, Inc. or its Affiliates. Serverless

    in December 2014… and the first half of 2015 Thumbnails Generators! S3 Bucket Lambda Function S3 Bucket
  5. © 2020, Amazon Web Services, Inc. or its Affiliates. Serverless

    in the first half of 2015 Static Content Generators! S3 Bucket Lambda Function S3 Bucket
  6. © 2020, Amazon Web Services, Inc. or its Affiliates. Serverless

    in the first half of 2015 Dynamic Websites & Apps! Browser JavaScript DynamoDB Table S3 Bucket Lambda Function AWS SDK Lambda Invoke
  7. © 2020, Amazon Web Services, Inc. or its Affiliates. Serverless

    in the second half of 2015… and later on! APIs! ”Alexa!” & IoT Microservices DevOps Browser Web APIs Amazon Echo IoT Devices Services Data Streams DynamoDB Table S3 Bucket Lambda Function API Gateway Schedule
  8. © 2020, Amazon Web Services, Inc. or its Affiliates. Over

    the years, customers shared some concerns… New Paradigm Scalability Costs Latency Language Support
  9. © 2020, Amazon Web Services, Inc. or its Affiliates. Observability

    Configuration Management Function Invocations Execution Environment Service Integrations So what have we been focusing on?
  10. © 2020, Amazon Web Services, Inc. or its Affiliates. Latency

    Observability Configuration Management Function Invocations Execution Environment Service Integrations Language Support Costs Scalability New Paradigm
  11. © 2020, Amazon Web Services, Inc. or its Affiliates. Function

    Invocations AWS Lambda Asynchronous Invocations (Event) Max event age Max retry attempt Destinations (to Lambda, SNS, SQS, EventBridge) ⇣ More controls for async and event-driven apps Scalability New Paradigm
  12. © 2020, Amazon Web Services, Inc. or its Affiliates. AWS

    Lambda – Destinations for Async Invocations Amazon S3 Amazon SNS Amazon SES Amazon EventBridge Amazon CloudWatch Logs AWS Config Amazon CloudFormation AWS CodeCommit AWS Lambda Amazon SNS Amazon SQS Amazon EventBridge Lambda Function onSuccess onFailure
  13. © 2020, Amazon Web Services, Inc. or its Affiliates. Function

    Invocations Costs Scalability New Paradigm Kinesis / DynamoDB Streams Parallelization factor (no need for fan-outs) Failure-handling ⇣ Easier to scale streaming analytics and manage errors when processing a stream
  14. © 2020, Amazon Web Services, Inc. or its Affiliates. Function

    Invocations Latency Costs Amazon API Gateway New “HTTP APIs” ⇣ Cheaper and faster APIs Reduce costs by up to 70% Reduce latency by up to 50%
  15. © 2020, Amazon Web Services, Inc. or its Affiliates. Function

    Invocations Costs New Paradigm Application Load Balancer (ALB) Weighted Target Groups ⇣ Fine-grained deployments with ALB, too Stickiness! Create rules depending on Host, HTTP header/method, Query string, or Source IP Simpler migrations to serverless
  16. © 2020, Amazon Web Services, Inc. or its Affiliates. Execution

    Environment Language Support Runtimes Node.js 12 Python 3.8 Java 11 .NET Core 3.1 Custom Runtimes (Rust, Swift, …) Lambda@Edge now supports Node 12.x & Python 3.8 ⇣ Use your favorite programming language Easier to migrate existing apps
  17. © 2020, Amazon Web Services, Inc. or its Affiliates. Execution

    Environment Latency Scalability VPC to VPC NAT ⇣ Integrate VPC resources in serverless apps Use new services with Lambda functions (e.g. ElastiCache)
  18. © 2020, Amazon Web Services, Inc. or its Affiliates. Execution

    Environment Latency Costs Scalability AWS Lambda Provisioned Concurrency ⇣ No more “cold starts” Real-time apps and games Applications with a slow initialization Download config/data on /tmp
  19. © 2020, Amazon Web Services, Inc. or its Affiliates. AWS

    Lambda – Provisioned Concurrency We do the initialization, you are responsible for the first invocation of the handler Avoid lazy initializations Integrated with CloudWatch Application Auto Scaling and AWS CodeDeploy
  20. © 2020, Amazon Web Services, Inc. or its Affiliates. Execution

    Environment Costs Scalability New Paradigm AWS Step Functions Express Workflows ⇣ Build more modular apps Separate business process flow from implementation
  21. © 2020, Amazon Web Services, Inc. or its Affiliates. AWS

    Step Functions – Express Workflows
  22. © 2020, Amazon Web Services, Inc. or its Affiliates. AWS

    Step Functions – AWS Toolkit for Visual Studio Code
  23. © 2020, Amazon Web Services, Inc. or its Affiliates. Service

    Integrations Costs Scalability New Paradigm Amazon Relational Database Service (RDS) RDS Proxy ⇣ Using relational databases in serverless apps is much easier AWS Secrets Manager stores the user name and password for the database
  24. © 2020, Amazon Web Services, Inc. or its Affiliates. RDS

    Proxy + Amazon Aurora Serverless = Sample workload using Aurora Serverless PostgreSQL
  25. © 2020, Amazon Web Services, Inc. or its Affiliates. Service

    Integrations Costs New Paradigm Amazon EventBridge Schema Registry Rules can now be triggered by CloudWatch Alarms ⇣ Building event-driven apps with IDE integration Integrating PaaS solutions with your apps
  26. © 2020, Amazon Web Services, Inc. or its Affiliates. Service

    Integrations Scalability New Paradigm Amazon Athena Create user defined functions (UDF) using Lambda functions Run federated queries ⇣ Using SQL for analyzing… almost anything!
  27. © 2020, Amazon Web Services, Inc. or its Affiliates. Amazon

    Athena – Create your own data connector Preview
  28. © 2020, Amazon Web Services, Inc. or its Affiliates. New

    Paradigm AWS Amplify Native iOS/Android Mobile Backends Amplify DataStore ⇣ Mobile backends for native apps Persistent on-device storage to write, read, and observe changes online or offline, and seamlessly sync to the cloud as well as across devices Service Integrations
  29. © 2020, Amazon Web Services, Inc. or its Affiliates. Latency

    Scalability AWS AppSync Pure WebSockets GraphQL Info Object (New) ⇣ Real-time apps More efficient resolvers Service Integrations
  30. © 2020, Amazon Web Services, Inc. or its Affiliates. Configuration

    Management New Paradigm AWS AppConfig For EC2, containers, on-premises, Lambda, containers, mobile apps, IoT devices Application Environment Configuration Profile ⇣ Releasing configurations changes with fine-grained controls
  31. © 2020, Amazon Web Services, Inc. or its Affiliates. Configuration

    Management for Lambda Functions Environment Variables Parameter Store AWS Secrets Manager AWS AppConfig In the function configuration For function-specific configurations Part of AWS Systems Manager Can be shared across multiple functions For secrets, can automate rotating secrets Integrated with the new RDS Proxy Part of AWS Systems Manager Full control during the roll out of configuration changes
  32. © 2020, Amazon Web Services, Inc. or its Affiliates. Observability

    Costs Scalability New Paradigm Tracing – AWS X-Ray Trace Maps – for single requests Simplified identification of service disruption – in Service Maps SNS/SQS support (added in July/August) Amazon API Gateway (since 2018) AWS AppSync (new) ⇣ More and easier observability
  33. © 2020, Amazon Web Services, Inc. or its Affiliates. Observability

    Costs Scalability New Paradigm Monitoring CloudWatch Embedded Metric Format Percentiles on CloudWatch metrics CloudWatch Synthetics CloudWatch ServiceLens CloudWatch Anomaly Detection (added in September) ⇣ More visibility into your application behavior
  34. © 2020, Amazon Web Services, Inc. or its Affiliates. CloudWatch

    Synthetics – Monitor Application Endpoints
  35. © 2020, Amazon Web Services, Inc. or its Affiliates. CloudWatch

    ServiceLens CloudWatch metrics and logs + AWS X-Ray traces
  36. © 2020, Amazon Web Services, Inc. or its Affiliates. Observability

    Configuration Management Function Invocations Execution Environment Service Integrations Latency Language Support Costs Scalability New Paradigm
  37. © 2020, Amazon Web Services, Inc. or its Affiliates. Observability

    Configuration Management Function Invocations Execution Environment Service Integrations Lots of concerns have been addressed…
  38. © 2020, Amazon Web Services, Inc. or its Affiliates. Compute

    Savings Plans Simplify purchasing with a flexible pricing model applying to Amazon EC2, AWS Fargate, and AWS Lambda usage Recommendations in AWS Cost Explorer Any instance family, any region VMs, Containers, and Functions Flexibility
  39. © 2020, Amazon Web Services, Inc. or its Affiliates. Photo

    by Scott Blake on Unsplash Some Examples
  40. Siemens employs 377,000 people who speak almost 50 different languages

    3 euros per interview Amazon Translate + Amazon Comprehend + Amazon SageMaker “By using AWS Lambda functions, we are running translations with just three lines of code” Siemens Employee Surveys less than one euro per interview Case Study
  41. © 2020, Amazon Web Services, Inc. or its Affiliates. fractional

    delivery Run simulation jobs and add logs to S3 bucket Lambda function FanOut Step Function parallel jobs Lambda function If successful, get output If failed, get execution history Start AWS RoboMaker Update Amazon DynamoDB with job IDS Aggregate Results Parse Logs logs in S3 bucket Amazon Simple Storage Service (Amazon S3) Amazon DynamoDB AWS RoboMaker Check simulation job status Trigger Lambda every 2 minutes Amazon CloudWatch Event Time Based Send task success/failure heartbeat Controller Step Function FanOut Tests Step Function AWS Step Functions workflow AWS Step Functions workflow Start controller execution and wait to finish 1 2 3 4 5 6
  42. © 2020, Amazon Web Services, Inc. or its Affiliates. So,

    what can you do with serverless, now? ✓ Web/Mobile/IoT backends ✓ Batch/streaming analytics ✓ DevOps & IT automation ✓ Voice/text chat interfaces ✓ Real-time apps, multi-player games ✓ Complex async jobs/tasks/activities ✓ Reduce costs even more ✓ Reduce complexity ✓ And much, much more!
  43. © 2020, Amazon Web Services, Inc. or its Affiliates. What

    Can You Do with Serverless …in 2020 ?
  44. © 2020, Amazon Web Services, Inc. or its Affiliates. Thank

    you! @danilop Please give me your feedback!