Update INSTALL.md for modern Python/Django setup

INSTALL.md

@@ -1,34 +1,67 @@
-# Install overview
-This project currently only works with `python 2` and very old django version `django < 1.9`.
-This instructions show how to setup a local virtual environment.
+# Cytoscape App Store – Local Development Setup
 
-## Checkout code base
-```
-git clone https://github.com/cytoscape/appstore.git CyAppStore
-```
-The root folder must be named `CyAppStore` so that the relative imports are working.
+## Requirements
 
-## Additional requirements
-- mysql
-- xapian (https://xapian.org/docs/install.html, https://github.com/notanumber/xapian-haystack/blob/master/install_xapian.sh)
+- Python 3.9+
+- pip
+- virtual environment
+- MySQL
+- Xapian
 
+The project currently runs on **Django 4.2**.
 
+---
 
-## Setup Virtual Environment
-``` 
-mkvirtualenv appstore --python=python2
-(appstore) ./install_xapian.sh 1.4.5
-(appstore) pip install gevent
-(appstore) pip install -r requirement.txt
-```
+## 1. Clone the Repository
 
-## Perform the migrations
-```
-(appstore) python manage.py migrate
-```
+git clone https://github.com/cytoscape/appstore.git
+cd appstore
 
-## Test the server
-```
-(appstore) python manage.py runserver
-```
+---
 
+## 2. Create Virtual Environment
+
+python3 -m venv venv
+source venv/bin/activate
+
+---
+
+## 3. Install Dependencies
+
+Install all required Python packages:
+
+pip install -r requirements.txt
+
+---
+
+## 4. Install Xapian (search backend)
+
+./install_xapian.sh 1.4.5
+
+---
+
+## 5. Run Database Migrations
+
+python manage.py migrate
+
+---
+
+## 6. Run the Development Server
+
+python manage.py runserver
+
+The server will start at:
+
+http://127.0.0.1:8000/
+
+---
+
+## 7. Run Unit Tests
+
+To verify the setup works correctly:
+
+make test
+
+or
+
+python manage.py test