Architecture Overview
System Architecture Diagram
Subnet Table
| Subnet | CIDR | AZ | Type | Contains |
|---|---|---|---|---|
smartinvoice-public-1a | 10.0.1.0/24 | 1a | Public | ALB Public, NAT GW |
smartinvoice-public-1b | 10.0.2.0/24 | 1b | Public | ALB Public |
smartinvoice-private-1a | 10.0.3.0/24 | 1a | Private | EC2, RDS, ECS Fargate, Cloud Map |
smartinvoice-private-1b | 10.0.4.0/24 | 1b | Private | EC2 Backend, RDS Standby |
Deployment Steps Overview
| Step | Description |
|---|---|
| 1 | Choose Region & Prepare |
| 2 | Create VPC & Subnets |
| 3 | Create Internet Gateway |
| 4 | Create NAT Gateway |
| 5 | Create Route Tables |
| 6 | Create Security Groups |
| 7 | Create IAM Roles |
| 8 | Create S3 Bucket |
| 9 | Create Amazon Cognito |
| 10 | Create SQS Queues |
| 11 | Create SSM Parameter Store |
| 12 | Create RDS PostgreSQL |
| 13 | Create ECR & Push Docker Images |
| 14 | Deploy OCR (ECS Fargate + Cloud Map) |
| 15 | Deploy Backend (Elastic Beanstalk) |
| 16 | Configure HTTPS (CloudFront) |
| 17 | Deploy Frontend (Amplify) |
| 18 | Configure Custom Domain (Route 53) |
| 19 | CI/CD (GitHub Actions) |
| 20 | CloudWatch Monitoring |
| 21 | End-to-End Verification |
Estimated Monthly Costs
| Service | Configuration | Cost (USD/month) |
|---|---|---|
| EC2 (EBS) | 2x t3.micro | ~$15 |
| RDS PostgreSQL | db.t3.micro Multi-AZ | ~$28 |
| ECS Fargate | 2 tasks (0.25 vCPU) | ~$20 |
| NAT Gateway | 1 zone + data | ~$35 |
| ALB (Backend) | 1 ALB | ~$18 |
| TOTAL | ~$116 |