docs: add docker local setup markdown [#47]

docker/README.md

@@ -7,3 +7,77 @@ Prerequisites: Docker engine is running
 
 Run `docker-compose up setup` to initialize and `docker-compose up` to run.
 
+# Apache Flagon - Local Setup Guide
+
+## Introduction
+Welcome to the **Apache Flagon** repository! This guide will help you set up the project locally for development and testing.
+
+## Prerequisites
+Ensure you have the following dependencies installed before proceeding:
+
+- **Git**
+- **Java (JDK 8 or later)**
+- **Maven**
+- **Node.js & npm** (for front-end development)
+- **Python 3.x** (for analytics tools)
+- **Docker** (if you plan to use development container services)
+
+### Check Installed Versions
+Run the following commands to verify your setup:
+
+```bash
+java -version
+mvn -version
+node -v
+npm -v
+python3 --version
+docker --version
+```
+
+## Fork and Clone the Repository
+
+```bash
+git clone https://github.com/<username>/flagon.git
+cd flagon
+```
+
+## Build the Project
+
+```bash
+mvn clean install
+```
+
+## Run the Application
+
+```bash
+mvn spring-boot:run
+```
+
+```Or Run the Application in Docker```
+
+```bash
+docker-compose up --build
+```
+## Access the Application
+
+```http://localhost:8080```
+
+## Contribution Setup
+- Create a new branch for your changes
+
+```bash
+git checkout -b feature/my-feature
+```
+
+- Commit your changes
+
+```bash
+git add .
+git commit -m "Add my feature"
+```
+
+- Push your changes
+
+```bash
+git push origin feature/my-feature
+```