From dcddae2c32a974e3fbe289248eee58e311708e34 Mon Sep 17 00:00:00 2001
From: Rick <heinrich10@users.noreply.github.com>
Date: Tue, 30 Sep 2025 17:12:35 +0800
Subject: [PATCH 1/2] Update README with data model and ERD

Added a data model section with an ERD diagram.
---
 README.md | 41 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d8fb738..11c2cc5 100644
--- a/README.md
+++ b/README.md
@@ -28,4 +28,43 @@ note: you can use `docker` instead of `podman` as it is a drop in replacement
 ## Tests
 1. make sure main dependencies are installed
 2. run `poetry install`
-2. run `pytest`, take note that it uses `.env.test` for configuration
\ No newline at end of file
+2. run `pytest`, take note that it uses `.env.test` for configuration
+
+## Data Model
+
+```mermaid
+---
+config:
+  layout: dagre
+  look: handDrawn
+title: ERD
+---
+erDiagram
+	direction LR
+	person {
+		int id PK ""  
+		String last_name  ""  
+		String first_name  ""  
+		String country_code FK ""  
+		timestamp updated_at  ""  
+		timestamp created_at  ""  
+	}
+	country {
+		String code PK ""  
+		String name  ""  
+		int phone  ""  
+		String symbol  ""  
+		String capital  ""  
+		String currency  ""  
+		String continent_code FK ""  
+		String alpha_3  ""  
+		timestamp updated_at  ""  
+		timestamp created_at  ""  
+	}
+	continent {
+		String code PK ""  
+		String name  ""  
+	}
+	person}|--||country:"residesIn"
+	country}|--||continent:"belongsTo"
+```

From 6ca88e6abaa4774cee952955cc4f93ac7c4226dc Mon Sep 17 00:00:00 2001
From: Heinrich Chan <guiltyrage10@gmail.com>
Date: Sun, 4 Jan 2026 23:57:47 +0800
Subject: [PATCH 2/2] update readme

---
 README.md | 1 -
 1 file changed, 1 deletion(-)

diff --git a/README.md b/README.md
index 11c2cc5..6c0a157 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,6 @@ config:
 title: ERD
 ---
 erDiagram
-	direction LR
 	person {
 		int id PK ""  
 		String last_name  ""