Add docs: infraestrutura + vendas/marketing

docs/INFRAESTRUTURA.md

@@ -0,0 +1,76 @@
+# MIDAS — Infraestrutura
+
+## Stack Técnica
+| Camada | Tecnologia |
+|--------|-----------|
+| **Frontend** | Next.js 14 + Tailwind CSS + PWA |
+| **Backend** | FastAPI (Python 3.12) |
+| **Banco** | PostgreSQL (DO Managed) |
+| **Cache** | Redis (futuro) |
+| **IA** | OpenAI GPT-4o-mini |
+| **Hosting** | DigitalOcean (jarvis-do) |
+| **CDN/SSL** | Cloudflare |
+
+## Portas
+| Serviço | Porta |
+|---------|-------|
+| Frontend (Next.js) | 3087 |
+| Backend (FastAPI) | 8097 |
+
+## Servidor
+- **Droplet:** jarvis-do (198.199.84.130)
+- **RAM:** 8GB / **CPU:** 4vCPU / **Disco:** 160GB
+- **OS:** Ubuntu 24.04
+- **Process Manager:** PM2
+
+## Banco de Dados
+- **Tipo:** PostgreSQL 18 (DO Managed)
+- **Host:** kislanski-db-do-user-32806441-0.k.db.ondigitalocean.com:25060
+- **Database:** midas
+- **User:** midas
+- **Encoding:** UTF-8
+
+## DNS (Cloudflare)
+- **Domínio:** midas.aivertice.com
+- **Zone:** aivertice.com (0e70c64b5d7a9eb9fac8a53892c5227f)
+- **Registro:** A → 198.199.84.130 (proxied)
+- **SSL:** Full (Strict) + Certbot local
+
+## Nginx
+```nginx
+server {
+    server_name midas.aivertice.com;
+    location / {
+        proxy_pass http://127.0.0.1:3087;
+    }
+    location /api {
+        proxy_pass http://127.0.0.1:8097;
+    }
+    # SSL managed by Certbot
+}
+```
+
+## PM2
+```bash
+pm2 start "uvicorn app.main:app --host 0.0.0.0 --port 8097" --name midas-backend
+pm2 start "npx next start -p 3087" --name midas-frontend
+```
+
+## CI/CD
+- **Gitea:** git.ophion.com.br/bigtux/midas
+- **Deploy:** Manual via SSH (futuro: webhook)
+
+## Backups
+- PostgreSQL: backup diário automático (DO Managed)
+- pg_dump diário → DO Spaces (s3://kislanski-backups/postgres/)
+- Snapshots 3x/semana
+
+## Monitoramento
+- Infra monitor cron (30min) — health check HTTP
+- PM2 auto-restart on crash
+- Cloudflare Analytics
+
+## APK (futuro)
+- TWA via bubblewrap
+- Package: com.aivertice.midas
+- Download: aivertice.com/app/midas.apk