production configs, deployment configs and readme

app/api/health/route.ts

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+import { NextResponse } from 'next/server';
+import { db } from '@/lib/db';
+import { settings } from '@/lib/db/schema';
+
+export async function GET() {
+	try {
+		// Test database connectivity
+		const startTime = Date.now();
+		await db.select().from(settings).limit(1);
+		const dbLatency = Date.now() - startTime;
+
+		// Check memory usage
+		const memoryUsage = process.memoryUsage();
+
+		return NextResponse.json({
+			status: 'healthy',
+			timestamp: new Date().toISOString(),
+			uptime: Math.floor(process.uptime()),
+			environment: process.env.NODE_ENV,
+			database: {
+				status: 'connected',
+				latency: `${dbLatency}ms`,
+			},
+			memory: {
+				rss: `${Math.round(memoryUsage.rss / 1024 / 1024)}MB`,
+				heapUsed: `${Math.round(memoryUsage.heapUsed / 1024 / 1024)}MB`,
+				heapTotal: `${Math.round(memoryUsage.heapTotal / 1024 / 1024)}MB`,
+			},
+			version: process.env.npm_package_version || '1.0.0',
+		});
+	} catch (error) {
+		console.error('Health check failed:', error);
+		return NextResponse.json(
+			{
+				status: 'unhealthy',
+				timestamp: new Date().toISOString(),
+				error: 'Database connection failed',
+				details: error instanceof Error ? error.message : 'Unknown error',
+			},
+			{ status: 500 }
+		);
+	}
+}