chewi-clinton/LexCamAI

LexCam is an AI-powered digital legal aid platform designed specifically for Cameroon. It addresses the critical access-to-justice gap by empowering ordinary citizens with reliable legal information, practical tools, and connections to verified lawyers in their city. # LexCam — AI-Powered Legal Aid Platform for Cameroon > SEN3244 Software Architecture | Spring 2026 | ICT University > Team: 2 members | VPS: Contabo Cloud VPS 10 (4 vCPU, 8GB RAM) | Orchestration: K3s LexCam is a bilingual (French/English) Progressive Web App that gives Cameroonian citizens access to legal information, verified lawyer referrals, and formally generated legal documents — all powered by a RAG AI pipeline and deployed on Kubernetes. --- ## Architecture LexCam uses a **Microservices + Event-Driven Hybrid** architecture. ``` Browser (Next.js PWA) │ ▼ UFW Firewall (Contabo VPS) │ ▼ Traefik Ingress Controller (K3s built-in) — TLS termination │ ▼ Kong API Gateway — routing, rate limiting, auth middleware │ ▼ Microservices Layer (11 services) │ ├── User Management (8001) ─ auth, JWT, OTP, profiles ├── Lawyer Service (8002) ─ directory, referrals, verification ├── Knowledge Base (8003) ─ law storage, vector + keyword search ├── RAG Service (8004) ─ AI Legal Assistant, SSE streaming ├── Embedding Service (8005) ─ multilingual-e5-small, 384-dim vectors ├── Document Service (8006) ─ PDF generation, pay-first policy ├── Payment Service (8007) ─ Campay Mobile Money integration ├── Notification Service (8008) ─ SMTP email dispatch ├── Feedback Service (8009) ─ AI response ratings, auto-flagging ├── Admin Panel (8010) ─ internal Django Admin └── Scraper Service (8011) ─ lawyer directory crawler Event Bus: RabbitMQ (topic exchange lexcam.events + DLX) Workers: Doc Worker | Notification Worker | Lawyer Ingest | Indexing Worker Databases: PostgreSQL (10 schemas) | Qdrant | MinIO | Redis ``` --- ## Features | Feature | Description | |---|---| | **AI Legal Assistant** | RAG pipeline — Qdrant retrieval + Groq Llama 3.3 70B, SSE token streaming, bilingual | | **Law Explorer** | Dual search (Qdrant vector + PostgreSQL tsvector), Reciprocal Rank Fusion, plain-language summaries | | **Lawyer Directory** | Sel …