s3-webhosting.yaml

AWSTemplateFormatVersion: 2010-09-09
Description: The CloudFormation template that creates a public open S3 bucket.

# ------------------------------------------------------------#
# Input Parameters
# ------------------------------------------------------------#
Parameters:
  BucketName:
    Type: String
    Description: S3 Bucket name.
    Default: koseizakio-public-bucket
    MaxLength: 50
    MinLength: 3

Resources:
# ------------------------------------------------------------#
# S3
# ------------------------------------------------------------#
  S3Bucket:
    Type: AWS::S3::Bucket
    Properties:
      BucketName: !Ref BucketName
      PublicAccessBlockConfiguration:
        BlockPublicAcls: false
        BlockPublicPolicy: false
        IgnorePublicAcls: false
        RestrictPublicBuckets: false
      Tags:
        - Key: Cost
          Value: !Ref BucketName
  S3BucketPolicy:
    Type: AWS::S3::BucketPolicy
    Properties:
      Bucket: !Ref S3Bucket
      PolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Action:
              - "s3:GetObject"
            Effect: Allow
            Resource: !Sub "arn:aws:s3:::${S3Bucket}/*"
            Principal: "*"
    DependsOn:
      - S3Bucket

# ------------------------------------------------------------#
# Output Parameters
# ------------------------------------------------------------#
Outputs:
#S3
  S3BucketName:
    Value: !Ref S3Bucket
  TopPageURL:
    Value: !Sub https://s3.${AWS::Region}.amazonaws.com/${S3Bucket}/index.html