cors-deployment
CORS Deployment Configuration
Architecture
CORS is configured via a two-layer model applied identically to every stack:
CDK_DOMAIN_NAME→ auto-applied ashttps://{value}(always)CDK_CORS_ORIGINS→ additional global origins (optional, comma-separated)- Per-section
CDK_*_CORS_ORIGINS→ stack-specific extras (optional)
localhost is NEVER auto-included. Use CDK_CORS_ORIGINS=http://localhost:4200 for local dev.
The Helper
Every stack uses buildCorsOrigins(config, additionalOrigins?) from infrastructure/lib/config.ts. This returns a deduplicated string[].
// Container env var (Fargate / AgentCore Runtime)
CORS_ORIGINS: buildCorsOrigins(config, config.appApi.additionalCorsOrigins).join(','),
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