5.4. Create EC2 & Verify Private Environment - Guide on launching EC2 instances in a private subnet, configuring network settings, and verifying connection and the internal network environment.
5.5. Create RDS Database - Guide on launching an Amazon RDS PostgreSQL database connected to EC2 and configuring Spring Boot.
5.7. AWS Services Integration - Guide on configuring AWS Route 53, static frontend hosting with S3 and CloudFront, private S3 Storage, and SES email notifications.