Using Serverless Architectures to build and provision modern infrastructures

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Using Serverless Architectures to build and provision modern infrastructures Ramit Surana @ramitsurana /in/ramitsurana

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Agenda • Introduction to AWS Lambda • Serverless Architecture • Demo • Architecture • Chalice • Monitoring • API Perfomance and Measurements • Learningz • Useful Services • Other Options

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What comes to mind ?

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Introduction to AWS Lambda • Service based on docker containers • Also called Function as a Service • Available in Node.js (JavaScript), Python, Java (Java 8 compliant) and C # (.NET Core), and Go. • Cost Involved: - First 1 million requests free - $0.20 per 1 million requests

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Serverless Architectures • Distribution of API Calls into Functions • Usage of external services from cloud to allocate data • Pay as you go model @Copyright by Martin Fowler

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Demo Time !

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Architecture Website API Gateway S3 DynamoDB/RDS/Elasticache Lex Website Data

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Chalice • Integrates well with other AWS Services • Can deploy using chalice deploy • Built using Python • Other Frameworks are Serverless (JAWS), Zappa etc

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Monitoring • Individual Lambda can be monitored only for last 24 hrs • Use AWS Services like CloudWatch & CloudTrail • IOPipe • Datadog

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API Performance Measurements • Jmeter • Use of Curl

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Other Options • Azure Functions • GCP Functions • Oracle Cloud Functions • OpenWhisk • Iron.io • Webtask.io • Nuclio

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Learnings Pros • Serverless is really powerful ! • Great Performance • Highly Scalable • Low Cost • Stateless Cons • Monitoring and Debugging is hard • Lack of Fine Grained Control • Cold start issues • Timeout Issues • Vendor Lock-In

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References • Chalice - https://github.com/aws/chalice • SAM - https://github.com/awslabs/serverless-application-model • Python-lambda - https://github.com/nficano/python-lambda • AWS Lambda - https://aws.amazon.com/de/lambda/features/ • Jmeter - https://jmeter.apache.org/ • Cloudwatch - https://aws.amazon.com/de/cloudwatch/ • FaaS - https://martinfowler.com/articles/serverless.html • https://github.com/ramitsurana/the-serverless-stuff

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Thank You for joining :)