Creates an S3 bucket configured for hosting a static website, and a Route 53 DNS record pointing to the bucket

https-website.cfn.yml

AWSTemplateFormatVersion: '2010-09-09'
Description: Creates an S3 bucket configured for hosting a static website, and a Route
  53 DNS record pointing to the bucket
Parameters:

  HostedZoneId:
    Type: String
    Description: The DNS name of an existing Amazon Route 53 hosted zone.
    AllowedPattern: (?!-)[A-Z0-9]{1,32}(?<!-)
    ConstraintDescription: must be a valid Route53 Hosted Zone ID.  

  DomainName:
    Type: String
    Description: The full domain name e.g. example.com
    AllowedPattern: (?!-)[a-zA-Z0-9-.]{1,63}(?<!-)
    ConstraintDescription: must be a valid DNS zone name.

  AcmCertificateArn:
    Type: String
    Description: the Amazon Resource Name (ARN) of an AWS Certificate Manager (ACM) certificate.
    AllowedPattern: "arn:aws:acm:.*"

Resources:

  WebsiteBucket:
    Type: AWS::S3::Bucket
    Properties:
      BucketName: !Ref 'DomainName'
      AccessControl: PublicRead
      WebsiteConfiguration:
        IndexDocument: index.html
        ErrorDocument: index.html
      Tags:
        - Key: Application
          Value: Blog

    DeletionPolicy: Retain

  WebsiteBucketPolicy:
    Type: AWS::S3::BucketPolicy
    Properties:
      Bucket: !Ref 'WebsiteBucket'
      PolicyDocument:
        Statement:
        - Sid: PublicReadForGetBucketObjects
          Effect: Allow
          Principal: '*'
          Action: s3:GetObject
          Resource: !Join ['', ['arn:aws:s3:::', !Ref 'WebsiteBucket', /*]]

  WebsiteCloudfront:
    Type: AWS::CloudFront::Distribution
    DependsOn:
    - WebsiteBucket
    Properties:
      DistributionConfig:
        Comment: Cloudfront Distribution pointing to S3 bucket
        Origins:
        - DomainName: !Select [2, !Split ["/", !GetAtt WebsiteBucket.WebsiteURL]]
          Id: S3Origin
          CustomOriginConfig:
            HTTPPort: '80'
            HTTPSPort: '443'
            OriginProtocolPolicy: http-only
        Enabled: true
        HttpVersion: 'http2'
        DefaultRootObject: index.html
        Aliases:
        - !Ref 'DomainName'
        DefaultCacheBehavior:
          DefaultTTL: 5
          MaxTTL: 30
          AllowedMethods:
          - GET
          - HEAD
          Compress: true
          TargetOriginId: S3Origin
          ForwardedValues:
            QueryString: true
            Cookies:
              Forward: none
          ViewerProtocolPolicy: redirect-to-https
        PriceClass: PriceClass_100
        ViewerCertificate:
          AcmCertificateArn: !Ref AcmCertificateArn
          SslSupportMethod: sni-only
  
      Tags:
        - Key: Application
          Value: Blog


  WebsiteDNSName:
    Type: AWS::Route53::RecordSetGroup
    Properties:
      HostedZoneId: !Ref 'HostedZoneId'
      RecordSets:
      - Name: !Ref 'DomainName'
        Type: A
        AliasTarget:
          HostedZoneId: Z2FDTNDATAQYW2 # Default Hosted Zone ID for CloudFront
          DNSName: !GetAtt [WebsiteCloudfront, DomainName]

Outputs:

  BucketName:
    Value: !Ref 'WebsiteBucket'
    Description: Name of S3 bucket to hold website content

  CloudfrontEndpoint:
    Value: !GetAtt [WebsiteCloudfront, DomainName]
    Description: Endpoint for Cloudfront distribution

  DomainName:
    Value: !Ref 'DomainName'
    Description: Domain name