sls-photos-upload-service/services/infra/resources/s3-cloudfront-resources.yml at master · serverlessfirst/sls-photos-upload-service · GitHub

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Resources:

    PhotosBucket:
        Type: AWS::S3::Bucket
        Properties:
            BucketName: !Sub '${self:custom.photosBucketName}'
            AccessControl: Private
            CorsConfiguration:
                CorsRules:
                -   AllowedHeaders: ['*']
                    AllowedMethods: ['PUT']
                    AllowedOrigins: ['*']

    PhotosBucketPolicy:
        Type: AWS::S3::BucketPolicy
        Properties:
            Bucket:
                Ref: PhotosBucket
            PolicyDocument:
                Statement:
                # Read permission for CloudFront
                -   Action: s3:GetObject
                    Effect: "Allow"
                    Resource: !Sub "arn:aws:s3:::#{PhotosBucket}/*"
                    Principal:
                        CanonicalUser: !GetAtt CloudFrontOriginAccessIdentity.S3CanonicalUserId
    CloudFrontOriginAccessIdentity:
        Type: AWS::CloudFront::CloudFrontOriginAccessIdentity
        Properties:
            CloudFrontOriginAccessIdentityConfig:
                Comment: !Sub 'Identity for accessing CloudFront from S3 within stack #{AWS::StackName}'

    # Cloudfront distro backed by PhotosBucket
    PhotosCdnDistribution:
        Type: AWS::CloudFront::Distribution
        Properties:
            DistributionConfig:
                Origins:
                    # S3 origin for static content
                    -   DomainName: !Sub '${self:custom.photosBucketName}.s3.amazonaws.com'
                        Id: PhotosBucketS3Origin
                        S3OriginConfig:
                            OriginAccessIdentity: !Sub 'origin-access-identity/cloudfront/#{CloudFrontOriginAccessIdentity}'
                Enabled: true
                Comment: CDN for photos.
                DefaultRootObject: index.html
                HttpVersion: http2
                DefaultCacheBehavior:
                    AllowedMethods:
                        - DELETE
                        - GET
                        - HEAD
                        - OPTIONS
                        - PATCH
                        - POST
                        - PUT
                    Compress: true
                    TargetOriginId: PhotosBucketS3Origin
                    ForwardedValues:
                        QueryString: false
                        Cookies:
                            Forward: none
                    ViewerProtocolPolicy: redirect-to-https
                PriceClass: PriceClass_200

Outputs:
    PhotosBucket:
        Value: !Ref PhotosBucket
    PhotosCdnDistributionId:
        Value: !Ref PhotosCdnDistribution
    PhotosCdnDistributionDomainName:
        Value: !GetAtt PhotosCdnDistribution.DomainName