Module Independence
Why It Matters: Designing your application with modular independence ensures that each part of the system functions autonomously. This makes your app easier to develop, maintain, test, and scale. It also helps teams work in parallel, speeds up deployment, and reduces the risk of one faulty component affecting the entire system.
Sample Use-case
In a citizen service app, the development team separated the “Grievance Reporting” module from “User Registration” and “Analytics.” When a bug appeared in the reporting workflow, they were able to deploy a fix quickly without touching the registration module or delaying the rest of the release cycle.
Break the App into Independent Modules
Divide your app based on distinct functional areas (e.g., User Management, Reporting, Notifications, Settings).
Keep each module focused on a single responsibility.
Prevent modules from relying too heavily on one another unless necessary.
Decouple Logic from UI
Separate business logic (e.g., calculations, rules) from presentation layers.
Enables reuse of core logic across the development lifecycle.
Enable Isolated Testing
Ensure each module can be tested on its own (unit tests, mock data).
Reduces time and complexity during QA and Continuous Integration / Continuous Deployment.
Facilitates early detection of bugs within specific functionality.
Deploy Modules Separately
Allows scaling only what’s needed (e.g., high-traffic reporting module).
Minimizes downtime and simplifies rollback during failures.
Scalability:
Break down your app into independently deployable modules or services (e.g., user auth, analytics, notifications).
This allows services to scale independently based on demand.
Your reporting service can scale independently during peak data analysis times without affecting the authentication module
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