@cloudcomponents/cdk-lambda-at-edge-pattern

CDK Constructs for Lambda@Edge pattern: HttpHeaders

Install

TypeScript/JavaScript:

npm i @cloudcomponents/cdk-lambda-at-edge-pattern 

Python:

pip install cloudcomponents.cdk-lambda-at-edge-pattern 

How to use

import { StaticWebsite } from '@cloudcomponents/cdk-static-website';
import { OriginMutation } from '@cloudcomponents/cdk-lambda-at-edge-pattern';
import { RemovalPolicy, Stack, StackProps, aws_route53 } from 'aws-cdk-lib';

import { Construct } from 'constructs';

export class StaticWebsiteStack extends Stack {
  constructor(scope: Construct, id: string, props: StackProps) {
    super(scope, id, props);

    const hostedZone = aws_route53.HostedZone.fromLookup(this, 'HostedZone', {
      domainName: 'cloudcomponents.org',
    });

    // Create a lambda at edge
    const originMutation = new OriginMutation(stack, 'OriginMutation');

    new StaticWebsite(this, 'StaticWebsite', {
      hostedZone,
      domainNames: ['cloudcomponents.org', 'www.cloudcomponents.org'],
      edgeLambdas: [originMutation],
      removalPolicy: RemovalPolicy.DESTROY,
    });
  }
}

Cloudfront Distribution

new cloudfront.Distribution(this, 'myDist', {
  defaultBehavior: {
    origin: new origins.S3Origin(myBucket),
    edgeLambdas: [httpHeaders],
  },
});

HttpHeaders

const httpHeaders = new HttpHeaders(this, 'HttpHeaders', {
  httpHeaders: {
    'Content-Security-Policy':
      "default-src 'none'; img-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; object-src 'none'; connect-src 'self'",
    'Strict-Transport-Security':
      'max-age=31536000; includeSubdomains; preload',
    'Referrer-Policy': 'same-origin',
    'X-XSS-Protection': '1; mode=block',
    'X-Frame-Options': 'DENY',
    'X-Content-Type-Options': 'nosniff',
    'Cache-Control': 'no-cache',
  },
});

OriginMutation

https://chrisschuld.com/2020/05/gatsby-hosting-on-cloudfront/

const originMutation = new OriginMutation(stack, 'OriginMutation');

API Reference

See API.md.

Example

See more complete examples.

License

MIT