AWS CDK Deployment Setup

I need assistance to set up UAT and production environments using AWS CDK. The infrastructure is already configured for the test site, and I have the necessary CDK code ready.

Requirements:
- Setup UAT and prod environments identical to test site
- Fix existing issue with CDK deploy into ECR

Ideal Skills:
- Proficiency in AWS CDK
- Experience with ECR, ECS, ALB, and RDS
- Familiarity with troubleshooting deployment issues in AWS