start-memory-optimized.ps1

# Memory-Optimized PulseEvents Startup Script (PowerShell)
# This script starts the application with aggressive memory optimization
# Target: 512MB total memory usage

Write-Host "🚀 Starting PulseEvents with Memory Optimization..." -ForegroundColor Green
Write-Host "📊 Target Total Memory: 512MB" -ForegroundColor Cyan
Write-Host ""

# Check if Docker is running
try {
    docker info | Out-Null
} catch {
    Write-Host "❌ Docker is not running. Please start Docker first." -ForegroundColor Red
    exit 1
}

# Set memory optimization profile
$env:SPRING_PROFILES_ACTIVE = "docker,memory-optimized"

# Set JWT secret if not already set
if (-not $env:JWT_SECRET) {
    $env:JWT_SECRET = "your-super-secret-jwt-key-that-is-at-least-256-bits-long-for-hmac-sha256"
    Write-Host "⚠️  Using default JWT secret. Set JWT_SECRET environment variable for production." -ForegroundColor Yellow
}

# Check available system memory
$availableMemory = [math]::Round((Get-CimInstance -ClassName Win32_OperatingSystem).FreePhysicalMemory / 1024)
Write-Host "💾 Available System Memory: ${availableMemory}MB" -ForegroundColor Cyan

if ($availableMemory -lt 1024) {
    Write-Host "⚠️  WARNING: Low system memory detected. This setup requires at least 1GB of available memory." -ForegroundColor Yellow
    Write-Host "   Consider stopping other applications or increasing system memory." -ForegroundColor Yellow
}

Write-Host ""
Write-Host "📋 Memory Allocation Plan (Final):" -ForegroundColor Yellow
Write-Host "   • PostgreSQL:      64MB (limit)"
Write-Host "   • Discovery Server: 128MB (limit) - Increased for stability"
Write-Host "   • Config Server:    112MB (limit) - Increased for stability"
Write-Host "   • Auth Service:     128MB (limit) - Increased for stability"
Write-Host "   • Event Service:    128MB (limit) - Increased for stability"
Write-Host "   • Booking Service:  128MB (limit) - Increased for stability"
Write-Host "   • API Gateway:      80MB (limit)"
Write-Host "   • Frontend:         16MB (limit)"
Write-Host "   ═══════════════════════════════"
Write-Host "   • TOTAL:           784MB (with safety margin)" -ForegroundColor Green
Write-Host "   • Still 63% reduction from original ~2.1GB!" -ForegroundColor Cyan
Write-Host ""

# Stop any existing containers
Write-Host "🛑 Stopping existing containers..." -ForegroundColor Yellow
docker-compose -f docker-compose.yml down --remove-orphans 2>$null
docker-compose -f docker-compose.memory-optimized.yml down --remove-orphans 2>$null

# Start with memory-optimized configuration
Write-Host "🏗️  Building and starting memory-optimized containers..." -ForegroundColor Yellow
docker-compose -f docker-compose.memory-optimized.yml up --build -d

# Wait for services to start
Write-Host "⏳ Waiting for services to start..." -ForegroundColor Yellow
Start-Sleep -Seconds 30

# Check service health
Write-Host ""
Write-Host "🔍 Checking service health..." -ForegroundColor Yellow

$services = @(
    @{name="discovery-server"; port=8761},
    @{name="config-server"; port=8888},
    @{name="authentication-service"; port=8091},
    @{name="event-service"; port=8082},
    @{name="booking-service"; port=8083},
    @{name="api-gateway"; port=8080},
    @{name="frontend"; port=5173}
)

foreach ($service in $services) {
    try {
        if ($service.name -eq "frontend") {
            $response = Invoke-WebRequest -Uri "http://localhost:$($service.port)/" -TimeoutSec 5 -UseBasicParsing
        } else {
            $response = Invoke-WebRequest -Uri "http://localhost:$($service.port)/actuator/health" -TimeoutSec 5 -UseBasicParsing
        }
        Write-Host "✅ $($service.name) is healthy" -ForegroundColor Green
    } catch {
        Write-Host "❌ $($service.name) is not responding" -ForegroundColor Red
    }
}

Write-Host ""
Write-Host "📊 Current Memory Usage:" -ForegroundColor Cyan
docker stats --no-stream --format "table {{.Name}}\t{{.MemUsage}}\t{{.MemPerc}}"

Write-Host ""
Write-Host "🎉 Memory-optimized PulseEvents is starting!" -ForegroundColor Green
Write-Host "🌐 Access the application at: http://localhost:5173" -ForegroundColor Cyan
Write-Host "📊 Monitor memory usage with: docker stats" -ForegroundColor Cyan
Write-Host ""
Write-Host "💡 Tips for further optimization:" -ForegroundColor Yellow
Write-Host "   • Monitor memory usage regularly"
Write-Host "   • Adjust JVM heap sizes if needed"
Write-Host "   • Consider using Alpine-based images"
Write-Host "   • Profile application under load"
Write-Host ""