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Johannes Konings

Notes and posts on AWS and TanStack.

Recent posts

CDK Mixin for Deletion Protection
Mar 30, 2026•5 min read

CDK Mixin for Deletion Protection

Apply one CDK mixin at app scope to enforce a consistent deletion-protection baseline in permanent environments: stack termination protection plus retain-aligned resource-level protection on supported services.

awscdkmixin
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CDK Mixin for setting recommended TLS version for API Gateway and endpoint access mode
Mar 30, 2026•3 min read

CDK Mixin for setting recommended TLS version for API Gateway and endpoint access mode

Use a type-safe CDK mixin to enforce modern API Gateway TLS policy and endpoint access mode across REST APIs, instead of brittle one-off L1 overrides.

awscdkmixin
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Aurora PostgreSQL Serverless (Express configuration) with CDK and Drizzle
Mar 28, 2026•7 min read

Aurora PostgreSQL Serverless (Express configuration) with CDK and Drizzle

Provision Aurora PostgreSQL serverless using express configuration from CDK with AWS SDK custom resources, then manage schema and seed data with Drizzle Kit and Drizzle Studio.

awscdkaurora+1 more
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