diff --git a/README.md b/README.md
index 5e97794..77ac616 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,46 @@
-# Backend
\ No newline at end of file
+# backend
+
+<br>
+
+## Table of Contents
+
+ - [System Architecture](#system-architecture)
+ - [Tech Stack](#tech-stack)
+ - [ERD](#erd)
+ - [API](#api)
+ - [Monitoring Tools](#monitoring-tools)
+ - [Member](#member)
+
+<br>
+
+## System Architecture
+
+
+<br>
+
+## Tech Stack
+
+| Frontend | Backend | DevOps | Monitoring |  ETC |
+|:--------:|:-------:|:------:|:----------:|:----:|
+|<img src="https://img.shields.io/badge/React-61DAFB?style=flat&logo=React&logoColor=white"/><br><img src="https://img.shields.io/badge/HTML5-E34F26?style=flat&logo=HTML5&logoColor=white" /><br><img src="https://img.shields.io/badge/CSS3-1572B6?style=flat&logo=CSS3&logoColor=white" /><br><img src="https://img.shields.io/badge/JavaScript-F7DF1E?style=flat&logo=JavaScript&logoColor=white"/>|<img src="https://img.shields.io/badge/Django-092E20?style=flat&logo=Django&logoColor=white"/><br><img src="https://img.shields.io/badge/mysql-4479A1?style=flat&logo=mysql&logoColor=white"> | <img src="https://img.shields.io/badge/Docker-2496ED?style=flat-square&logo=Docker&logoColor=white"/><br><img src="https://img.shields.io/badge/Amazon EC2-FF9900?style=flat&logo=Amazon EC2&logoColor=white"/> | <img src="https://img.shields.io/badge/Grafana-F46800?style=flat&logo=Grafana&logoColor=white"/><br><img src="https://img.shields.io/badge/Prometheus-E6522C?style=flat&logo=Prometheus&logoColor=white"/> |<img src="https://img.shields.io/badge/Slack-4A154B?style=flat&logo=Slack&logoColor=white"/><br><img src="https://img.shields.io/badge/Notion-000000?style=flat&logo=Notion&logoColor=white"/><br><img src="https://img.shields.io/badge/Postman-FF6C37?style=flat&logo=Postman&logoColor=white"/><br><img src="https://img.shields.io/badge/Swagger-85EA2D?style=flat&logo=Swagger&logoColor=white"/><br><img src="https://img.shields.io/badge/GitHub Actions-2088FF?style=flat&logo=GitHub Actions&logoColor=white"/><br>|
+
+<br>
+
+## ERD
+
+<img width="924" alt="image" src="https://github.com/lsh1215/practice/assets/75378429/1aadd423-b3cb-425b-8463-ecfd5d7d5e83">
+
+<br>
+
+## API
+
+<br>
+
+## Monitoring Tools
+
+> Prometheus & Grafana
+>
+> 
+<br>
+
+## Member
\ No newline at end of file
diff --git a/django_back/settings.py b/django_back/settings.py
index 94b6d66..54a22d5 100644
--- a/django_back/settings.py
+++ b/django_back/settings.py
@@ -100,7 +100,7 @@
         'USER': env('DATABASE_USER'),
         'PASSWORD': env('DATABASE_PASS'),
         'HOST': env('DATABASE_HOST'),
-        'PORT': '3306',
+        'PORT': env("DATABASE_PORT"),
     }
 }