diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
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+# APEX OS Architecture
+
+Last Updated: 2026-07-02
+
+## Overview
+APEX OS is a self-hosted AI operating system running on Docker.
+
+## Components
+- **Infrastructure**: Docker, Traefik, PostgreSQL, Redis
+- **AI Platform**: LiteLLM, Ollama, OpenRouter, Open WebUI
+- **Development**: Gitea, Code-Server, n8n, Dockge
+- **Monitoring**: Grafana, Prometheus, Loki
+- **Security**: Vaultwarden, Docker Socket Proxy
+
+## Network
+All services on apex_apex-net bridge network.
+Public access via Traefik reverse proxy with Let's Encrypt SSL.
+
+## Data Flow
+```
+User -> Traefik (SSL/Routing) -> Service Container -> PostgreSQL/Redis
+```
+
+## Service Dependencies
+- All services depend on Docker and Traefik
+- AI services depend on LiteLLM as gateway
+- Monitoring depends on Prometheus for metrics collection
diff --git a/README.md b/README.md
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+++ b/README.md
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-# apex-os-docs
+# APEX OS Documentation
 
-APEX OS System Documentation
\ No newline at end of file
+This repository contains all system documentation for APEX OS.
+
+## Structure
+- [ARCHITECTURE.md](ARCHITECTURE.md) - System architecture and design
+- [SERVICES.md](SERVICES.md) - Service inventory and configuration
+- [API.md](API.md) - API documentation and endpoints
+- [WORKFLOWS.md](WORKFLOWS.md) - n8n workflows and automation
+- [DEPLOYMENT.md](DEPLOYMENT.md) - Deployment procedures
+- [SECURITY.md](SECURITY.md) - Security policies and credentials
diff --git a/SERVICES.md b/SERVICES.md
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+# APEX OS Service Inventory
+
+| Service | Port | Domain | Status |
+|---------|------|--------|--------|
+| Traefik | 80/443 | traefik.apex.unstuck-path.com | Active |
+| Open WebUI | 8080 | chat.apex.unstuck-path.com | Active |
+| LiteLLM | 4000 | litellm.apex.unstuck-path.com | Active |
+| Gitea | 3100 | git.apex.unstuck-path.com | Active |
+| n8n | 5678 | n8n.apex.unstuck-path.com | Active |
+| Grafana | 3200 | grafana.apex.unstuck-path.com | Active |
+| Dockge | 5001 | dockge.apex.unstuck-path.com | Active |
+| Vaultwarden | 8081 | vault.apex.unstuck-path.com | Active |
+| Code-Server | 8443 | code.apex.unstuck-path.com | Active |
+| Ollama | 11434 | (internal) | Active |