> For the complete documentation index, see [llms.txt](https://awsinpractice.itassist.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://awsinpractice.itassist.com/courses/aws-powered-e-commerce-application-a-guided-tour/lesson-summaries/aws-service-by-layer.md).

# AWS Service By Layer

- [AWS Service By Layer Overview](https://awsinpractice.itassist.com/courses/aws-powered-e-commerce-application-a-guided-tour/lesson-summaries/aws-service-by-layer/aws-service-by-layer-overview.md)
- [Presentation Layer](https://awsinpractice.itassist.com/courses/aws-powered-e-commerce-application-a-guided-tour/lesson-summaries/aws-service-by-layer/presentation-layer.md)
- [Business Logic Layer](https://awsinpractice.itassist.com/courses/aws-powered-e-commerce-application-a-guided-tour/lesson-summaries/aws-service-by-layer/business-logic-layer.md)
- [Data Layer](https://awsinpractice.itassist.com/courses/aws-powered-e-commerce-application-a-guided-tour/lesson-summaries/aws-service-by-layer/data-layer.md)