Software Architects and Lead Developers
Designing the high-level structure of a new microservice or enterprise application
Use cases
About
The 2022 Architecture mind map template is a technical guide for software engineers and system architects, covering 57 nodes of deep architectural theory. It focuses on the evolution of decoupled systems, specifically detailing the 'Hexagonal Architecture' and 'Clean Architecture' patterns. This 2022 Architecture cheat sheet provides a structured overview of how to maintain an 'application core' that remains independent of external frameworks, databases, and UI technologies. By mapping out the Dependency Inversion Principle (DIP) and the separation of 'Domain entities' from infrastructure, the template helps teams reduce technical debt and improve testability. It serves as a visual reference for implementing Domain-Driven Design (DDD) while managing the trade-offs of maintaining separate models across different application layers.
Terms and ConditionsWhen to use this template
Engineering Managers and Mentors
Onboarding junior developers to the concepts of dependency inversion and clean code
Backend Development Teams
Refactoring a monolithic application into a more modular, testable system
How to use this template
Step 1
Download and open the file
Download the .xmind file and open it in Xmind desktop or the web app to view the full architectural tree.
Step 2
Map your specific adapters
Replace the generic 'driving adapter' and 'driven adapter' nodes with the specific technologies used in your project, such as REST APIs or SQL databases.
Step 3
Customize the domain core
Expand the 'Domain entities' and 'Use cases' branches to reflect your unique business logic and service requirements.
Frequently asked questions
The template focuses on modern decoupled software patterns, specifically Hexagonal and Clean Architecture. It maps out how dependencies should point inward toward the domain code to ensure business logic remains independent of external tools like frameworks or databases.
It categorizes adapters into 'left-hand side' and 'right-hand side' configurations, further breaking them down into 'driving' and 'driven' adapters to clarify how external systems communicate with the application core.
Yes, it includes a 'come with a cost' section which highlights the overhead of maintaining separate entity models in each layer and the complexities involved with ORM and persistence layer mapping.
Absolutely. The template explicitly mentions how these architectures allow developers to 'apply DDD' by focusing on business rules without the distraction of UI or persistence concerns.
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