ember.py

    ember_distribution = template.add_resource(Distribution(
        'EmberDistribution',
        DistributionConfig=DistributionConfig(
            Enabled=True,
            DefaultRootObject='index.html',
            # Allow us to have nice urls (without #)
            CustomErrorResponses=[
                CustomErrorResponse(
                    ErrorCachingMinTTL=5,
                    ErrorCode=404,
                    ResponseCode=200,
                    ResponsePagePath='/index.html'
                )
            ],
            Aliases=[
                domain_name
            ],
            Origins=[
                Origin(
                    DomainName=bucket_domain_name,
                    Id='S3Origin',
                    S3OriginConfig=S3OriginConfig()
                )
            ],
            DefaultCacheBehavior=DefaultCacheBehavior(
                Compress=True,
                AllowedMethods=[
                    'GET',
                    'HEAD',
                    'OPTIONS'
                ],
                ForwardedValues=ForwardedValues(
                    QueryString=False
                ),
                # How long CloudFront caches for. When the origin adds a Cache-Control max-age directive:
                # CloudFront caching depends on the values of the CloudFront minimum TTL and maximum TTL,
                # and the Cache-Control max-age directive:

                # Minimum TTL < max-age < maximum TTL:
                # CloudFront caches objects for the value of the Cache-Control max-age directive.
                # max-age < minimum TTL:
                # CloudFront caches objects for the value of the CloudFront minimum TTL.
                # max-age > maximum TTL:
                # CloudFront caches objects for the value of the CloudFront maximum TTL.
                MaxTTL=3600,
                DefaultTTL=300,
                MinTTL=0,
                TargetOriginId='S3Origin',
                ViewerProtocolPolicy='redirect-to-https',
            ),
            ViewerCertificate=ViewerCertificate(
                AcmCertificateArn=Ref(certificate),
                SslSupportMethod='sni-only'
            ),
            HttpVersion='http2'
        )
    ))