🌐 Stage 3: 3-Tier Architecture

Web Layer (AZ-1a)

✅ Current Layer: Web Tier

Server: ip-10-0-2-173.ap-northeast-1.compute.internal

Private IP: 10.0.2.173

AZ: ap-northeast-1a

Subnet: 10.0.1.0/24 (Public)

PHP Version: 8.4.10

🏗️ 3-Tier Architecture Status

✅ Web Layer: Frontend & Load Balancing (Apache + PHP)
✅ Application Layer: Business Logic (PHP API Servers)
✅ Database Layer: Data Persistence (MariaDB)

🔗 API Connection Test

Test Application Layer API

Test Database Connection

🚀 High Availability Features

Multi-AZ Deployment (1a, 1c)
Application Load Balancer
Auto Scaling Ready
NAT Gateway Redundancy

Enterprise-Grade AWS Architecture