rights reserved. SMART RESOURCE ALLOCATION Match resource allocation (up to 3 GB!) to logic Stats for Lambda function that calculates 1000 times all prime numbers <= 1000000 128 MB 11.722965 sec $0.024628 256 MB 6.678945 sec $0.028035 512 MB 3.194954 sec $0.026830 1024 MB 1.465984 sec $0.024638
rights reserved. Serverless Application Model (SAM) CloudFormation extension optimized for serverless New serverless resource types: functions, APIs, and tables Supports anything CloudFormation supports Open specification (Apache 2.0)
rights reserved. Introducing SAM Local CLI tool for local testing of serverless apps Leverages Docker images to mimic Lambda’s execution environment Emulates Lambda functions and APIs Event generator to help you generate event payload for common Lambda triggers sam local generate-event s3 --bucket <bucket> --key <key>
rights reserved. Introducing SAM Local Response object and function logs available on your local machine Supports live debugging Currently supports Java, Node.js and Python SAM Local is open source & accepting pull requests! https://github.com/awslabs/aws-sam-local npm install –g aws-sam-local
__ __ /_\ \ / / __| / __| /_\ | \/ | / _ \ \/\/ /\__ \ \__ \/ _ \| |\/| | /_/ \_\_/\_/ |___/ |___/_/ \_\_| |_| AWS Serverless Application Model (SAM) CLI The AWS Serverless Application Model extends AWS CloudFormation to provide a simplified way of defining the Amazon API Gateway APIs, AWS Lambda functions, and Amazon DynamoDB tables needed by your serverless application. You can find more in-depth guide about the SAM specification here:\nhttps://github.com/awslabs/serverless-application-model. USAGE: sam [global options] command [command options] [arguments...] VERSION: 0.2.0 COMMANDS: local Run your Serverless application locally for quick development & testing validate Validates an AWS SAM template. If valid, will print a summary of the resources found within the SAM template. If the template is invalid, returns a non-zero exit code. package Package an AWS SAM application. This is an alias for 'aws cloudformation package'. deploy Deploy an AWS SAM application. This is an alias for 'aws cloudformation deploy'. help, h Shows a list of commands or help for one command GLOBAL OPTIONS: --help, -h show help --version, -v print the version
options] [arguments...] COMMANDS: start-api Allows you to run your Serverless application locally for quick development & testing. When run in a directory that contains your Serverless functions and your AWS SAM template, it will create a local HTTP server hosting all of your functions. When accessed (via browser, cli etc), it will launch a Docker container locally to invoke the function. It will read the CodeUri property of AWS::Serverless::Function resource to find the path in your file system containing the Lambda Function code. This could be the project's root directory for interpreted languages like Node & Python, or a build directory that stores your compiled artifacts or a JAR file. If you are using a interpreted language, local changes will be available immediately in Docker container on every invoke. For more compiled languages or projects requiring complex packing support, we recommended you run your own building solution and point SAM to the directory or file containing build artifacts. invoke Invokes a local Lambda function once and quits after invocation completes. Useful for developing serverless functions that handle asynchronous events (such as S3/Kinesis etc), or if you want to compose a script of test cases. Event body can be passed in either by stdin (default), or by using the --event parameter. Runtime output (logs etc) will be outputted to stderr, and the Lambda function result will be outputted to stdout. generate-event Generates Lambda events (e.g. for S3/Kinesis etc) that can be piped to 'sam local invoke' Available out of the box in AWS Cloud9!
rights reserved. Takeaways 1. Use the Lambda console for quick creation and iteration of simple apps 2. Use AWS SAM to describe your serverless architecture 3. Plug SAM Local into the IDE of your choice for testing and debugging 4. "Develop in the cloud" with AWS Cloud9 – optimized for serverless applications 5. Build on SAM for CI/CD capabilities, including canary deployments