feat: Add flexible port configuration for development

- Change default ports to 7510 (backend) and 7511 (frontend) to avoid conflicts
- Add PORT environment variable support for both services
- Create docker-compose.dev.yml for development without SSL/nginx
- Add development script (scripts/dev.sh) for easy local development
- Create comprehensive port configuration documentation
- Update docker-compose.yml to support dynamic port configuration
- Add frontend .env.example with development settings

This allows running the application on custom ports internally without SSL,
making it easier to integrate with existing infrastructure.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

scripts/dev.sh

@@ -0,0 +1,82 @@
+#!/bin/bash
+
+set -e
+
+echo "======================================"
+echo "MinIO WebUI Development Environment"
+echo "======================================"
+echo ""
+
+# Colors for output
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+# Check if .env exists
+if [ ! -f .env ]; then
+    echo -e "${YELLOW}Warning: .env file not found. Copying from .env.example${NC}"
+    cp .env.example .env
+    echo -e "${GREEN}✓ Created .env file. Please update it with your configuration.${NC}"
+fi
+
+# Export ports for development
+export PORT=7510
+export FRONTEND_PORT=7511
+
+echo -e "${BLUE}Starting services:${NC}"
+echo "- Backend API: http://localhost:7510"
+echo "- Frontend UI: http://localhost:7511"
+echo ""
+
+# Check if running in Docker mode or local mode
+if [ "$1" == "docker" ]; then
+    echo "Starting with Docker..."
+    docker compose -f docker-compose.dev.yml up
+else
+    echo "Starting in local development mode..."
+    
+    # Start Redis if not running
+    if ! command -v redis-cli &> /dev/null || ! redis-cli ping &> /dev/null; then
+        echo -e "${YELLOW}Starting Redis...${NC}"
+        redis-server --daemonize yes
+    fi
+    
+    # Install backend dependencies
+    echo -e "${BLUE}Installing backend dependencies...${NC}"
+    cd backend
+    npm install
+    
+    # Start backend
+    echo -e "${BLUE}Starting backend on port 7510...${NC}"
+    PORT=7510 npm run dev &
+    BACKEND_PID=$!
+    cd ..
+    
+    # Install frontend dependencies
+    echo -e "${BLUE}Installing frontend dependencies...${NC}"
+    cd frontend
+    npm install --legacy-peer-deps
+    
+    # Start frontend
+    echo -e "${BLUE}Starting frontend on port 7511...${NC}"
+    PORT=7511 REACT_APP_API_URL=http://localhost:7510/api npm start &
+    FRONTEND_PID=$!
+    cd ..
+    
+    # Function to kill processes on exit
+    cleanup() {
+        echo -e "\n${YELLOW}Stopping services...${NC}"
+        kill $BACKEND_PID $FRONTEND_PID 2>/dev/null || true
+        exit
+    }
+    
+    # Set up trap to clean up on exit
+    trap cleanup EXIT INT TERM
+    
+    echo -e "\n${GREEN}✓ Development environment started!${NC}"
+    echo -e "${BLUE}Press Ctrl+C to stop all services${NC}\n"
+    
+    # Wait for processes
+    wait
+fi