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Add 10 - Services/ docs for all sub-projects: backend, frontend, scanner, deployment (new), update amanat-assist. Update Scanner Architecture, Telegram Mini App flow, and Activity Log. Add payment safety edge cases.
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10 - Services
This section documents each deployable service (sub-project) in the Amanat/Escrow platform. Each article covers the service's purpose, configuration, build process, and operational notes.
See also: 01 - Architecture · 08 - Operations · 03 - API Reference
Service Inventory
| Service | Language / Framework | Status | URL | Doc |
|---|---|---|---|---|
| Backend | Node.js / TypeScript (Express) | Live | api.dev.amn.gg |
backend |
| Frontend | Next.js / React / TypeScript | Live | dev.amn.gg |
frontend |
| Scanner | Go | Live | internal | scanner |
| Amanat Assist | Node.js / TypeScript + LLM proxy | Live | assist.dev.amn.gg |
amanat-assist |
| Deployment | Docker Compose + Caddy + Watchtower | Live | — | deployment |
Architecture Overview
Browser / Telegram Mini App
│
▼
infra-caddy (reverse proxy, TLS)
├── dev.amn.gg → [[frontend]] (Next.js SSR)
├── api.dev.amn.gg → [[backend]] (Express REST + WebSocket)
└── assist.dev.amn.gg → [[amanat-assist]] (LLM proxy / Telegram bot)
[[backend]]
├── MongoDB / PostgreSQL (dual-write seam, PG cutover in progress)
├── Redis (sessions, rate-limit, pub-sub)
└── emits payment events
│
▼
[[scanner]] (Go — watches EVM chains for on-chain payments)
│ webhook callback
└──────────────────▶ [[backend]] /api/payment/callback
- All containers share the
shared-webDocker network managed by deployment. - amanat-assist is a separate Telegram Mini App; it calls backend APIs on behalf of users.
- scanner is stateless; it probes RPC endpoints and forwards confirmations to the backend.
Related Sections
- 01 - Architecture — system-wide design decisions, data model, and sequence diagrams
- 03 - API Reference — REST endpoints, WebSocket events, auth headers
- 08 - Operations — deployment runbooks, monitoring, secrets management