EREGCSC-2860 - Deploy Redirect to ephemeral environment

[addis-samtek]

Deploy Redirect to Ephemeral Environment

Resolves EREGCSC-2860

Description

This pull request changes:

• Implements automated deployment of Redirect API to ephemeral environments for PR testing
• Adds GitHub Actions workflow for PR-specific stack deployment
• Includes automatic cleanup when PR is closed

Steps to manually verify this change:

1. Open a new PR

   • Verify GitHub Action triggers automatically
   • Check CDK deployment logs for stack creation

2. Test deployed endpoint

   • Find API endpoint URL in aws console
   • Verify API responds as expected
   • Check AWS Console for PR-specific resources (format: cms-eregs-eph-{pr-number}-redirect-api)

3. Close PR to verify cleanup

   • Observe cleanup workflow trigger
   • Verify stack is destroyed
   • Check AWS Console to confirm resource removal

Comments

1. Stack pattern: cms-eregs-eph-{pr-number}-redirect-api
2. Ephemeral resources auto-destroy on PR close
3. Debug logs available with CDK_DEBUG=true

[github-actions]

✨ See the Django Site in action ✨

[github-actions]

✨ See the Django Site in action ✨

[github-actions]

✨ See the Django Site in action ✨

[github-actions]

✨ See the Django Site in action ✨

[cgodwin1]

LGTM