I ran into the same issue as https://github.com/terraform-aws-modules/terraform-aws-vpc/issues/126 because there's nothing in the documentation making it clear that `create_database_subnet_group` only has an effect if you also specify `database_subnets`.

Merge pull request #416 from terraform-aws-modules/terraform-provider-githubfile-1584633789746446000

[ci skip] Create ".chglog/CHANGELOG.tpl.md".

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Merge pull request #410 from terraform-aws-modules/terraform-provider-githubfile-1584537572464705000

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