Welcome Developer › Backend

Welcome to the Backend Docs

Everything a .NET developer needs to work on the eKYC 3.0 backend (ASP.NET Core 8.0).

💡 First time? Read pages 01 → 02 → 03 → 04. That's your path from zero to understanding the backend.

Sections

01

Getting Started

Prerequisites, clone, dotnet restore, run. Swagger, Hangfire dashboard.

 02

Mock Mode

GlobalMockEnabled, per-provider mock_mode, fixed OTPs, test scenarios.

 03

Project Tour

5 projects (Api, Application, Domain, Infrastructure, Shared), folder layout.

 04

Architecture

Clean architecture layers, dependency rules, links to full diagrams.

 05

Coding Patterns

8 patterns: Clean Architecture, Provider Chain, Filter Pipeline, Command/Result, and more.

 06

Stage Walkthrough

Trace Stage 1 Registration from HTTP request to DB write end-to-end.

 07

Controllers

All 33 controllers, routes, stage filters, admin roles.

 08

Services

45+ stage-specific and common services with responsibilities.

 09

External Providers

60+ providers: PAN, Bank, Face Match, eSign, SMS, Payment, more.

 10

Database & Sync Tables

75 entities, schema, EF Core, data lake sync tables (22 total).

 11

Debugging

Serilog, Swagger, Hangfire, EF query logs, common issues.

 12

How-To Guides

Add controller, service, provider, entity, migration.

 13

FAQ & Glossary

Common backend questions + glossary.

 14

Sonar Analysis

SonarAnalyzer.CSharp setup, SARIF reports, HTML via sarif-tools, auto-fixer scripts.

 15

Master Dev Help

One-page lookup: "I want to change X — which file do I open?" Covers controllers, services, providers, DB, jobs, config.

Architecture & Deep Dives

Per-Stage BRD Analysis

These are exhaustive stage-by-stage BRD documents prepared during the Flutter rewrite. They contain detailed backend flow, DB writes, provider calls, and gap notes: