How to build an amazing MVP?

So how do you build a 𝗠𝗩𝗣 𝘁𝗵𝗲 𝗿𝗶𝗴𝗵𝘁 𝘄𝗮𝘆? Here’s a simple approach:

1️⃣ Define Clear Boundaries with Interfaces:

• Each module should own its logic and expose only what’s necessary.

• Use well-defined interfaces to prevent tight coupling.

• Avoid direct dependencies between unrelated modules—use dependency inversion if needed.

2️⃣ Organize Code with Layers & Folders

Follow a structured package/folder convention:

/application → Use cases, DTOs, service layer

/domain    → Business logic, aggregates, entities

/infrastructure → Persistence, API integrations, framework dependencies

This keeps logic modular, predictable, and easy to navigate.

Separate domain logic from infrastructure—your business logic shouldn’t be tied to a database or framework!

3️⃣ Set Clear Development Rules

• Developers must respect module boundaries—no jumping across layers!

• Data should be accessed through well-defined interfaces, not directly from other modules.

• Follow dependency inversion to avoid leaking implementation details across the codebase.

4️⃣ Automate Architectural Checks in PRs

• Use tools like ArchUnit (Java), Structurizr, or dependency analyzers to enforce architecture rules automatically.

• Set up linters and static analysis to prevent unwanted cross-module dependencies.

• Run these checks in the CI/CD pipeline—if a PR violates architecture rules, it doesn’t get merged!

Why Does This Matter?

🔹 Faster development – Developers can work independently within modules.

🔹 Easier scaling – Modules can be extracted into services later if needed.

🔹 Less technical debt – This structure avoids the mess of traditional monoliths.

At 𝗪𝗲𝗹𝗶𝗻, we help companies build scalable, well-structured architectures from day one, so they don’t have to untangle a mess later.

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