CDN＿S3.ts

import { Stack, Construct, Aws, StackProps } from '@aws-cdk/core'
import * as s3 from '@aws-cdk/aws-s3'
import * as cloudfront from '@aws-cdk/aws-cloudfront'
import * as lambda from '@aws-cdk/aws-lambda'
import * as origins from '@aws-cdk/aws-cloudfront-origins'
import * as s3deploy from '@aws-cdk/aws-s3-deployment'

export class CdkCdnLambdaedgeStack extends Stack {
  readonly bucket: s3.Bucket
  readonly distribution: cloudfront.Distribution

  constructor(scope: Construct, id: string, props?: StackProps) {
    super(scope, id, props);

    const bucket = new s3.Bucket(this, 'Bucket', {
      cors: [
        {
          allowedMethods: [s3.HttpMethods.GET, s3.HttpMethods.HEAD],
          allowedOrigins: ['*'],
          allowedHeaders: ['*'],
        },
      ],
    })


    // new s3deploy.BucketDeployment(this, 'DeployWebsite', {
    //   sources: [s3deploy.Source.asset('../')],
    //   destinationBucket: bucket
    // });

    const uriRedirector = new cloudfront.experimental.EdgeFunction(
      this,
      'UriRedirector',
      {
        code: lambda.Code.fromAsset('dist/events/object-cache'),
        runtime: lambda.Runtime.NODEJS_14_X,
        handler: 'index.handle',
      }
    )

    const defaultBehaviourOriginRequestPolicy = new cloudfront.OriginRequestPolicy(
      this,
      'OriginRequestPolicy',
      {
        cookieBehavior: cloudfront.OriginRequestCookieBehavior.all(),
        headerBehavior: cloudfront.OriginRequestHeaderBehavior.allowList(
          'Origin',
          'Access-Control-Request-Headers',
          'Access-Control-Request-Method'
        ),
        queryStringBehavior: cloudfront.OriginRequestQueryStringBehavior.all(),
      }
    )

    const s3Origin = new origins.S3Origin(bucket)

    this.distribution = new cloudfront.Distribution(this, 'Distribution', {
      defaultBehavior: {
        origin: s3Origin,
        edgeLambdas: [
          {
            functionVersion: uriRedirector.currentVersion,
            eventType: cloudfront.LambdaEdgeEventType.ORIGIN_REQUEST,
          },
        ],
        originRequestPolicy: defaultBehaviourOriginRequestPolicy,
        viewerProtocolPolicy: cloudfront.ViewerProtocolPolicy.HTTPS_ONLY,
        allowedMethods: cloudfront.AllowedMethods.ALLOW_ALL,
      },

      sslSupportMethod: cloudfront.SSLMethod.SNI,
      minimumProtocolVersion: cloudfront.SecurityPolicyProtocol.TLS_V1_2016,
      enableLogging: true,
      logIncludesCookies: true,
      defaultRootObject: 'index.html',
      priceClass: cloudfront.PriceClass.PRICE_CLASS_ALL,
    })
    const cfnDistribution = this.distribution.node
      .defaultChild as cloudfront.CfnDistribution
    cfnDistribution.overrideLogicalId('Distribution830FAC52')
  }
}