From 42f4e0e081cdc9d67eb361bd39f596fc3aec3a28 Mon Sep 17 00:00:00 2001
From: Roberto <betotn91@gmail.com>
Date: Wed, 20 May 2026 17:20:17 -0300
Subject: [PATCH] =?UTF-8?q?docs:=20adiciona=20documenta=C3=A7=C3=A3o=20cru?=
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+# 📚 Portainer — Documentação + Stack Real
+
+> **Status**: Documentação consolidada — read-only. Nenhuma alteração aplicada na infra.
+
+---
+
+## 1. O Que É Portainer
+
+Portainer CE (Community Edition) é um gerenciador de containers via GUI/API que abstrai Docker, Docker Swarm, Kubernetes e Azure ACI.
+- **Versão instalada**: `2.19.4` (CE)
+- **Instance ID**: `84bcdcfa-617a-4a90-a84b-275f4211a12c`
+- **URL pública**: https://dock.octal.tec.br
+- **Portas**: `8000/tcp`, `9000/tcp`, `9443/tcp`
+- **Stack no Swarm**: `dock` (2 services: `dock_portainer` + `dock_agent`)
+
+### 1.1 Agentes e Edge
+| Componente | Image | Função |
+|---|---|---|
+| `dock_portainer` | portainer/portainer-ce:2.19.4 | API + UI |
+| `dock_agent` | portainer/agent:2.19.4 | Daemon que executa ações de containers |
+| `io.portainer.agent=true` (label) | | Identifica o agente |
+
+> Em Docker Swarm o `agent` é obrigatório — ele roda em cada node e o Portainer se comunica com ele via
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