Add Transit Gateway Deployment Guide #17
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This commit adds comprehensive documentation for deploying Quilt with Transit Gateway routing instead of NAT Gateway: New Documentation: - howto-3-transit-gateway-deployment.md: Step-by-step guide for TGW deployment with bash scripts, validation procedures, and troubleshooting - custom-gateway/01-vir-request.txt: Customer request email thread - custom-gateway/02-vir-issue.md: Product management analysis of request - custom-gateway/03-gateway-audit.md: Complete audit of AWS service dependencies (40+ services documented) - custom-gateway/04-gateway-workaround.md: Customer-specific workaround - custom-gateway/05-transit-gateway-howto.md: Original detailed guide Key Insights: - Zero code changes required when using existing_vpc: true - VPC endpoints eliminate 90%+ of TGW internet traffic - Cost-effective for enterprise customers with existing TGW infrastructure - Supports fully private architecture with proper VPC endpoint configuration The howto-3 guide follows the same format as howto-2-network-1.0-migration.md with tags, summary, bash scripts, and validation procedures. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Pull request overview
This PR adds comprehensive documentation for deploying Quilt with AWS Transit Gateway routing instead of NAT Gateway, based on a customer request analysis. The documentation demonstrates that Quilt supports TGW routing without code changes when using the existing_vpc: true configuration.
Changes:
- Added customer analysis documentation showing TGW is compatible with existing Quilt configuration
- Created detailed technical deployment guide with automation scripts
- Documented VPC endpoint configuration to minimize TGW internet traffic
Reviewed changes
Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| howto-3-transit-gateway-deployment.md | Production-ready deployment guide with step-by-step bash scripts, validation procedures, and cost analysis for TGW routing |
| custom-gateway/05-transit-gateway-howto.md | Detailed technical guide covering architecture patterns, implementation steps, and troubleshooting for enterprise customers |
| custom-gateway/04-gateway-workaround.md | Customer-specific workaround documentation explaining zero code changes solution for Vir Biotechnology |
| custom-gateway/03-gateway-audit.md | Complete AWS service dependency audit documenting 40+ services, VPC endpoint recommendations, and cost analysis |
| custom-gateway/02-vir-issue.md | Product management analysis including business impact assessment, technical questions, and recommended action plan |
| custom-gateway/01-vir-request.txt | Original customer email thread documenting the TGW routing request |
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Summary
Adds comprehensive documentation for deploying Quilt with AWS Transit Gateway routing instead of NAT Gateway, based on customer request analysis.
New Documentation
Customer Analysis (
custom-gateway/)Public Documentation
howto-2-network-1.0-migration.mdKey Insights
✅ Zero code changes required - Works with existing
existing_vpc: trueconfiguration✅ VPC endpoints eliminate 90%+ of TGW internet traffic - Better performance and lower cost
✅ Fully private architecture possible - With proper VPC endpoint configuration
✅ Cost-effective for enterprises - TGW cost is shared across organization
Technical Highlights
Testing
All bash scripts have been formatted and validated for:
Related
Companion guide to:
Both guides use consistent format with tags, summary, bash automation, and validation appendices.
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