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Building software is harder than ever. As a developer, you not only have to chase ever-changing technological trends but also need to understand the business domains behind the software. This practical book provides you with a set of core patterns, principles, and practices for analyzing business domains, understanding business strategy, and, most importantly, aligning software design with its business needs.
Author Vlad Khononov shows you how these practices lead to robust implementation of business logic and help to future-proof software design and architecture. You’ll examine the relationship between domain-driven design (DDD) and other methodologies to ensure you make architectural decisions that meet business requirements. You’ll also explore the real-life story of implementing DDD in a startup company.
With this book, you’ll learn how to:
- Analyze a company’s business domain to learn how the system you’re building fits its competitive strategy
- Use DDD’s strategic and tactical tools to architect effective software solutions that address business needs
- Build a shared understanding of the business domains you encounter
- Decompose a system into bounded contexts
- Coordinate the work of multiple teams
- Gradually introduce DDD to brownfield projects
Who Should Read This Book
I believe that knowledge of domain-driven design principles and patterns will be useful for software engineers at all levels: junior, senior, staff, and principal. Not only does DDD provide tools and techniques for modeling and effectively implementing software, it also illuminates an often-overlooked aspect of software engineering: the context. Equipped with the knowledge of the system’s business problem, you will be much more effective at choosing the appropriate solution. A solution that is not under- or over-engineered, but addresses business needs and goals.
Domain-driven design is even more important for software architects, and even more so for aspiring software architects. Its strategic design decision tools will help you decompose a large system into components—services, microservices, or subsystems—and design how the components are integrated with one another to form a system.
Ultimately, in this book we will discuss not only how to design software, but also how to co-evolve the design with changes in its business context. That crucial aspect of software engineering will help you keep the system’s design “in shape” over time and prevent its degradation into a big ball of mud.