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Domain-Driven Design (DDD)

DDD was introduced in Eric Evans’ classic book “Domain-Driven Design: Tackling Complexity in the Heart of Software”. It explained a methodology to model a complex business. There is a lot of content in this book, so I'll summarize the basics.

The composition of domain objects:
- Entity: a domain object that has ID and life cycle.
- Value Object: a domain object without ID. It is used to describe the property of Entity.
- Aggregate: a collection of Entities that are bounded together by Aggregate Root (which is also an entity). It is the unit of storage.

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S - Single Responsibility Principle 👩‍💻👨‍💻
Each class/module should have only one reason to change. Keep your code focused on doing just one thing - it leads to easier maintenance and enhances readability. 🧐

O - Open/Closed Principle 🌐🔒
Software entities should be open for extension but closed for modification. Build systems that allow you to add new features without altering existing code. 🛠

L - Liskov Substitution Principle 🧩✅
Derived classes should be substitutable for their base classes without affecting the correctness of the program. Ensuring compatibility and consistency in your object-oriented design. 🧬

I - Interface Segregation Principle 📦🕹
Clients should not be forced to implement interfaces they don't use.

D - Dependency Inversion Principle 🔄🔗
High-level modules should not depend on low-level ones; both should depend on abstractions. Decouple components and promote better scalability and testability.

Source

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Originally developed by LinkedIn, Apache Kafka is essentially a distributed 🌐, fault-tolerant ⚡️, and highly scalable 📈 messaging system.

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Things you might not know about Next Image

If you've worked with Next.js, it's likely that you've come across Next Image component. This hassle-free image optimization solution not only provides support for modern formats such as webp and avif but also generates multiple versions tailored to different screen sizes.

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