serverless-patterns/apigw-python-cdk-lambda-snapstart/example-pattern.json at 78303f00ca29fd5b9ebd686e0c540270c950879f · aws-samples/serverless-patterns · GitHub

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{
  "title": "API Gateway with Lambda SnapStart and DynamoDB using Python CDK",
  "description": "This pattern demonstrates how to create a REST API using API Gateway, AWS Lambda with SnapStart, and DynamoDB. Built with Python 3.12 and AWS CDK, it implements Lambda SnapStart to improve initialization performance for faster cold starts.",
  "language": "Python",
  "level": "200",
  "framework": "AWS CDK",
  "introBox": {
    "headline": "How it works",
    "text": [
      "This pattern creates a REST API for managing car records using API Gateway and Lambda with SnapStart enabled.",
      "The Lambda function is Python 3.12 based and includes a live alias that's integrated with API Gateway for seamless deployments.",
      "Lambda SnapStart persists the initialized state of the Lambda runtime, significantly reducing cold start times for function initialization.",
      "DynamoDB stores car records with a partition key of 'id', providing a scalable NoSQL database backend for the REST API."
    ]
  },
  "gitHub": {
    "template": {
      "repoURL": "https://github.com/aws-samples/serverless-patterns/tree/main/apigw-python-cdk-lambda-snapstart",
      "templateURL": "serverless-patterns/apigw-python-cdk-lambda-snapstart",
      "projectFolder": "apigw-python-cdk-lambda-snapstart",
      "templateFile": "apigw-python-cdk-lambda-snapstart/app.py"
    }
  },
  "resources": {
    "bullets": [
      {
        "text": "AWS Lambda SnapStart",
        "link": "https://docs.aws.amazon.com/lambda/latest/dg/snapstart.html"
      },
      {
        "text": "API Gateway REST API",
        "link": "https://docs.aws.amazon.com/apigateway/latest/developerguide/apigateway-rest-api.html"
      },
      {
        "text": "AWS CDK Python Reference",
        "link": "https://docs.aws.amazon.com/cdk/v2/guide/work-with-cdk-python.html"
      }
    ]
  },
  "deploy": {
    "text": [
      "python3 -m venv .venv",
      "source .venv/bin/activate",
      "pip install -r requirements.txt",
      "cdk bootstrap",
      "cdk deploy"
    ]
  },
  "testing": {
    "text": [
      "Get the CarEndpoint from stack outputs, then test the endpoint to create a new car record:",
      "curl --location --request POST \"$ENDPOINT/cars\" --header 'Content-Type: application/json' --data-raw '{\"make\":\"Porsche\",\"model\":\"992\",\"year\":\"2022\",\"color\":\"White\"}'",
      "Change the endpoint and HTTP method to test other operations:",
      "GET /cars/{carId} - Retrieve a car",
      "PUT /cars/{carId} - Update a car",
      "DELETE /cars/{carId} - Delete a car"
    ]
  },
  "cleanup": {
    "text": [
      "Delete the stack: <code>cdk destroy</code>."
    ]
  },
  "authors": [
    {
      "name": "Matia Rasetina",
      "image": "https://media.licdn.com/dms/image/v2/C4D03AQEpZLzvymfGyA/profile-displayphoto-shrink_800_800/profile-displayphoto-shrink_800_800/0/1612951581132?e=1772668800&v=beta&t=m8AkoSUFICMRk5-Gd0hEAji0N4gFSfFGuv4lbBuXcJY",
      "bio": "Senior Software Engineer @ Elixirr Digital",
      "linkedin": "https://www.linkedin.com/in/matiarasetina/",
      "twitter": ""
    }
  ]
}