Study Files
| # | Topic | File | Priority |
|---|---|---|---|
| 1 | WhatsTheTime.com (Stateless) | 01-WhatsTheTime | 🔴 High |
| 2 | MyClothes.com (Stateful) | 02-MyClothes | 🔴 High |
| 3 | MyWordPress.com (Storage) | 03-MyWordPress | 🔴 High |
| 4 | Instantiating Applications Quickly | 04-Instantiating-Applications-Quickly | 🔴 High |
| 5 | Beanstalk Overview | 05-Beanstalk-Overview | 🟡 Medium |
| 6 | Beanstalk Hands On | 06-Beanstalk-Hands-On | 🟡 Medium |
Section Purpose
This section ties together all previously learned services into real-world solution architectures. Each case study iteratively builds from simple to complex, demonstrating how services fit together.
Architecture Progression
Simple (1 EC2)
├── Vertical Scaling
├── Horizontal Scaling
│ ├── Elastic IP → Route 53
│ ├── ELB + Health Checks
│ └── ASG (Auto Scaling)
├── Multi-AZ (High Availability)
├── Stateful Patterns
│ ├── ELB Stickiness
│ ├── User Cookies
│ └── Server Sessions (ElastiCache/DynamoDB)
├── Database Layer
│ ├── RDS + Read Replicas
│ ├── ElastiCache (Lazy Loading)
│ └── Aurora MySQL
├── Storage
│ ├── EBS (single instance)
│ └── EFS (multi-instance, multi-AZ)
└── Managed Services
└── Elastic Beanstalk
Key Services Covered
| Service | Role in Architecture |
|---|---|
| EC2 | Compute layer |
| ELB | Load balancing + health checks |
| ASG | Auto scaling |
| Route 53 | DNS (A record, Alias record) |
| RDS | Relational database (Multi-AZ, Read Replicas) |
| Aurora | Managed MySQL/PostgreSQL |
| ElastiCache | Session store + caching layer |
| EBS | Block storage (single AZ) |
| EFS | Shared file storage (multi-AZ) |
| Elastic Beanstalk | Managed deployment platform |
Related Sections
Check yourself
Quiz