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AWS CDK Multi Tenant API Example

This project is an example implementation of multi-tenant API build with AWS CDK and Typescript created for blog post Building multi-tenant internal services in AWS and CDK: Part 1 — API Gateway and App Sync.

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Deployment

Prerequisites:

  1. Typescript
  2. AWS CLI
  3. AWS CDK CLI

If not configured add your AWS Account to environment variable CDK_DEFAULT_ACCOUNT and region to CDK_DEFAULT_REGION.

Build and deploy app with:

npm run build && npm run deploy

Test API and Update API clients

Run script that signs requests with your local AWS credentials and sends test API request.

npx ts-node scripts/invoke-api.ts

Right now the app deploys API Gateway with two clients that also use your AWS accounts. You can update list of API clients and use different AWS accounts in multi-tenant-api-example-stack.ts.

Useful commands

The cdk.json file tells the CDK Toolkit how to execute your app.

  • npm run build compile typescript to js
  • npm run watch watch for changes and compile
  • npm run test perform the jest unit tests
  • npm run deploy to deploy this stack to your default AWS account/region with hotswap option
  • cdk deploy deploy this stack to your default AWS account/region
  • cdk diff compare deployed stack with current state
  • cdk synth emits the synthesized CloudFormation template