From ca17d85ddb94e59e6a3a2b1706ea5a665e9dc1f2 Mon Sep 17 00:00:00 2001
From: "Tomoya.Fujita" <Tomoya.Fujita@sony.com>
Date: Thu, 5 Sep 2024 21:15:24 -0700
Subject: [PATCH] cosmetic fixes.

Signed-off-by: Tomoya.Fujita <Tomoya.Fujita@sony.com>
---
 README.md                             | 10 ++++++++++
 doc/tutorials/Fluentd_Loki_Grafana.md | 24 ++++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/README.md b/README.md
index 20489cc..58956b8 100644
--- a/README.md
+++ b/README.md
@@ -24,8 +24,18 @@ So that user can choose the logging configuration depending on the application r
 
 See how it works 🔥
 
+- rsyslog / FluebtBit
+
 https://github.com/user-attachments/assets/bdb05bf7-92b2-4b9a-8f20-3d3b803a7a86
 
+- rsyslog / Fluentd / Loki / Grafana
+
+https://github.com/user-attachments/assets/4a1aae42-5c55-4f31-9198-8c7c246244ca
+
+## Tutorials
+
+- [How to integrate with Fluentd / Loki / Grafana](./doc/tutorials/Fluentd_Loki_Grafana.md)
+
 ## Supported [ROS Distribution](https://docs.ros.org/en/rolling/Releases.html)
 
 | Distribution      | Supported | Note |
diff --git a/doc/tutorials/Fluentd_Loki_Grafana.md b/doc/tutorials/Fluentd_Loki_Grafana.md
index 266c415..318a3e4 100644
--- a/doc/tutorials/Fluentd_Loki_Grafana.md
+++ b/doc/tutorials/Fluentd_Loki_Grafana.md
@@ -1,5 +1,29 @@
 # How to forward the ros2 log data to [Fluentd](https://www.fluentd.org/) / [Loki](https://grafana.com/oss/loki/) / [Grafana](https://grafana.com/oss/grafana/)
 
+## Overview
+
+```text
+                   +------------------------------------------------+
+                   |                                                |
+                   |   +---------+                                  |
++--------+ 514/udp |   |         |                                  |
+| client +------------->         |                                  |
++--------+         |   |         |                                  |
+                   |   | rsyslog |                                  |
++--------+ 514/udp |   |         |                                  |
+| client +------------->         |                                  |
++--------+         |   |         |                                  |
+                   |   +----+----+                                  |
+                   |        |                                       |
+                   |        | 5514/tcp                              |
+                   |        |                                   http/3000
+                   |   +----v-----+  +----------+  +------------+   |  +-----------+
+                   |   | fluentd  +-->   loki   +-->  grafana   +------>  Browser  |
+                   |   +----------+  +----------+  +------------+   |  +-----------+
+                   |                   http/3100                    |
+                   +------------------------------------------------+
+```
+
 ## Installation
 
 - [Loki](https://grafana.com/oss/loki/) / [Grafana](https://grafana.com/oss/grafana/)