s3-website.yaml

AWSTemplateFormatVersion: "2010-09-09"
Description: >
  Create an S3 bucket and configure it for s3-website hosting
  Create a record in a pre-existing Route53 HostedZone and point at the newly created bucket
Parameters:
  HostedZoneID:
    Description: The Hosted Zone ID in which to create the website DNS record
    Type: AWS::Route53::HostedZone::Id
  WebsiteAddress:
    Description: >
      The web address to host the website at. Must be a subdomain of the hostedzone domain.
      An S3 bucket will be created with the same address. This bucket must not already exist
      globally anywhere in S3. (This is a requirement/limitation of s3-website.)
      Do not prefix with http e.g. blog.m-taylor.co.uk
    Type: "String"
Resources:
  S3Bucket:
    Type: "AWS::S3::Bucket"
    DeletionPolicy: Retain
    Properties:
      BucketName: !Ref WebsiteAddress
      WebsiteConfiguration:
        ErrorDocument: "404.html"
        IndexDocument: "index.html"
  S3BucketPolicy:
    Type: "AWS::S3::BucketPolicy"
    Properties:
      Bucket: !Ref S3Bucket
      PolicyDocument:
        Statement:
          -
            Sid: "PublicReadForS3Website"
            Action:
              - "s3:GetObject"
            Effect: "Allow"
            Resource:
              Fn::Join:
                - ""
                -
                  - "arn:aws:s3:::"
                  -
                    Ref: "S3Bucket"
                  - "/*"
            Principal: "*"
  R53Record:
    Type: "AWS::Route53::RecordSet"
    Properties:
      Comment: "CNAME to S3-Website"
      HostedZoneId: !Ref HostedZoneID
      Type: A
      Name: !Ref WebsiteAddress
      AliasTarget:
        DNSName: !FindInMap [ S3HostingZoneMap, !Ref "AWS::Region", "S3HostingEndpoint" ]
        HostedZoneId: !FindInMap [ S3HostingZoneMap, !Ref "AWS::Region", "S3HostingZone" ]
Mappings:
  S3HostingZoneMap:
    us-east-1:
      S3HostingZone: "Z3AQBSTGFYJSTF"
      S3HostingEndpoint: "s3-website-us-east-1.amazonaws.com"
    us-east-2:
      S3HostingZone: "Z2O1EMRO9K5GLX"
      S3HostingEndpoint: "s3-website.us-east-2.amazonaws.com"
    us-west-1:
      S3HostingZone: "Z2F56UZL2M1ACD"
      S3HostingEndpoint: "s3-website-us-west-1.amazonaws.com"
    us-west-2:
      S3HostingZone: "Z3BJ6K6RIION7M"
      S3HostingEndpoint: "s3-website-us-west-2.amazonaws.com"
    ca-central-1:
      S3HostingZone: "Z1QDHH18159H29"
      S3HostingEndpoint: "s3-website.ca-central-1.amazonaws.com"
    ap-south-1:
      S3HostingZone: "Z11RGJOFQNVJUP"
      S3HostingEndpoint: "s3-website.ap-south-1.amazonaws.com"
    ap-northeast-1:
      S3HostingZone: "Z2M4EHUR26P7ZW"
      S3HostingEndpoint: "s3-website-ap-northeast-1.amazonaws.com"
    ap-northeast-2:
      S3HostingZone: "Z3W03O7B5YMIYP"
      S3HostingEndpoint: "s3-website.ap-northeast-2.amazonaws.com"
    ap-southeast-1:
      S3HostingZone: "Z3O0J2DXBE1FTB"
      S3HostingEndpoint: "s3-website-ap-southeast-1.amazonaws.com"
    ap-southeast-2:
      S3HostingZone: "Z1WCIGYICN2BYD"
      S3HostingEndpoint: "s3-website-ap-southeast-2.amazonaws.com"
    eu-central-1:
      S3HostingZone: "Z21DNDUVLTQW6Q"
      S3HostingEndpoint: s3-website.eu-central-1.amazonaws.com
    eu-west-1:
      S3HostingZone: "Z1BKCTXD74EZPE"
      S3HostingEndpoint: "s3-website-eu-west-1.amazonaws.com"
    eu-west-2:
      S3HostingZone: "Z3GKZC51ZF0DB4"
      S3HostingEndpoint: "s3-website.eu-west-2.amazonaws.com"
    sa-east-1:
      S3HostingZone: "Z31GFT0UA1I2HV"
      S3HostingEndpoint: "s3-website-sa-east-1.amazonaws.com"

works fine, tks