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Posts by Johannes Konings

FYI if you use pnpm and upgraded from Vite 7 -> 8, you might still have esbuild installed but unused. You can purge it out by:

1. Set `autoInstallPeers: false` in `pnpm-workspace.yaml`
2. `pnpm i`
3. Undo no1
4. `pnpm i`

5 days ago 47 6 1 0
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CDK Mixin for Deletion Protection | Johannes Konings 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...

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.

johanneskonings.dev/blog/2026-03...

2 weeks ago 0 0 0 0
Slide about caching efficiency on ci

Slide about caching efficiency on ci

Group photo of react paris

Group photo of react paris

Final slide of my talk

Final slide of my talk

Thanks a lot React Paris for having me! It was a great conference, with amazing folks joining!

Also, thank you everyone that gave me amazing feedback on my talk! I'm glad it resonated with soo many of you!

Here are the slides if you missed it! beaussan.io/talks/2026/r...

3 weeks ago 18 4 1 1
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Aurora PostgreSQL Serverless (Express configuration) with CDK and Drizzle | Johannes Konings 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.

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.

johanneskonings.dev/blog/2026-03...

3 weeks ago 0 0 0 0
Nitro v3 is now available as a public beta — a ground-up evolution of the server framework, built around web standards, Rolldown, Vite v8, and the same deploy-anywhere promise.

Nitro v3 is now available as a public beta — a ground-up evolution of the server framework, built around web standards, Rolldown, Vite v8, and the same deploy-anywhere promise.

Nitro v3 beta is here!

nitro.build/blog/v3-beta

1 month ago 95 18 4 2
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AWS CDK Community Update: Jan/Feb 2026! What's New Hello! So excited to get the regular blogpost updates on AWS CDK going for...

Here’s the latest on CDK! dev.to/aws/aws-cdk-...
@cdk.dev

2 months ago 4 2 0 0
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do you just... install skills? 😲

at least take a second and run them (URL or SKILL.mdfile upload) through @snyksec's Agent Skill Inspector so you can be sure it isn't malicious or vulnerable

(link in reply)

2 months ago 6 1 1 0
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Introducing TanStack Hotkeys!

Setting up keyboard shortcuts is supposed to be easy and only take a few lines of code, right? Well, there are enough small "gotchas" that can eventually add up to an annoying amount of complexity.

TanStack Hotkeys aims to simplify the edge cases and bring type-safety

2 months ago 88 6 2 2

🌴🔥🔑

2 months ago 2 1 0 0

we're live!

come join us:
www.youtube.com/live/I_PkdD7...

2 months ago 11 1 0 0
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CDK Quarterly Community Meeting (Session 1) · Zoom · Luma For the AWS CDK open-source community to meetup virtually and discuss: Recent launches Community-built open-source projects Join the discussion here -…

It's TIME for the first CDK Community Meeting of 2026!!! Who's excited?
Session 1 - luma.com/pdwi386v / 3PM EST on 11th February (Wednesday)
Session 2 - luma.com/5ar52zni / 3AM EST on 12th February (Thursday)
@cdk.dev

2 months ago 3 1 0 0
Video

- @t3.gg ditches @nextjs.org for @tanstack.com Start 🤯
- AI’s impact on OSS gets real as @tailwindcss.com lays off 75% of its team 🤖
- And JavaScript Rising Stars reveals the most-loved projects of 2025 ✨

Our first episode of 2026 is packed. 🚀

Show link: front-end-fire.com/episodes/127/

3 months ago 1 1 0 1
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Tag log buckets created by AWS CDK for third party tools | Johannes Konings How to tag S3 log buckets created by the AWS CDK so third-party scanners can recognize them.

Tag log buckets created by AWS CDK for third party tools with cdk-nag enhancements

johanneskonings.dev/blog/2026-01...

3 months ago 2 0 0 0
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Runtime Ownership Made Simple with TanStack Router Route-level ownership that your IDE can actually enforce

Cut our ownership providers from 245 → 3 using @tanstack.com Router's staticData API 🧹

Route-level ownership that TypeScript enforces at compile time. Shared layouts just work. Your IDE tells you when you forgot to assign a team.

Type-first routing is a game changer 🌅
beaussan.io/blog/runtime...

3 months ago 8 1 0 0
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The 2026 Answers for AWS survey Which AWS services are people interested in 🧐? Which do they like ✅? Which would they never use again 😡?

I filled out the 2026 @Answers4AWS survey. You should too! answersforaws.com/survey/ #aws

3 months ago 2 2 0 0
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Using Server Sent Events (SSE) to sync Tanstack Db from AWS DynamoDB | Johannes Konings Build real-time data synchronization between AWS DynamoDB and TanStack DB using Server-Sent Events. Learn how to stream database changes via DynamoDB Streams, implement SSE endpoints with TanStack Sta...

Using Server Sent Events (SSE) to sync Tanstack Db from AWS DynamoDB

johanneskonings.dev/blog/2026-01...

3 months ago 0 0 0 0
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I released a new major version of EventCatalog ❤️

Navigation improvements, caching improvements and general quality of life

Hope it helps!
www.eventcatalog.dev/blog/eventca...

3 months ago 1 1 0 0
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What Flint Does Differently [Experimental] A fast, friendly linter. ❤️‍🔥

📮 What Flint Does Differently

Flint is an experimental linter. It intentionally revisits many of the core design decisions from other popular web linters.

Please enjoy this medium dive how Flint's intentionally deviating from other linters and trying new things. ❤️‍🔥

www.flint.fyi/blog/what-fl...

3 months ago 55 7 1 0
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Sponsor @TkDodo on GitHub Sponsors Web-Developer • ❤️ ReactJs and TypeScript • Maintainer of TanStack Query and remeda • Personal Technical blog at https://tkdodo.eu/blog

💝 Shoutout to @johanneskonings.dev for sponsoring me on GitHub. What a nice surprise at the start of the year

github.com/sponsors/tkd...

3 months ago 21 2 0 0
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Use a customized CDK bootstrap template | Johannes Konings Learn how to customize the AWS CDK bootstrap template to add server access logging and KMS encryption to the staging bucket. Use the CDK Toolkit library to orchestrate multi-region deployments, extrac...

Use a customized CDK bootstrap template

johanneskonings.dev/blog/2025-12...

3 months ago 1 0 0 0
@43081j's Configurator

this is the configurator i was working on 👀

it basically lets you define your high level choices (linter, formatter, categories of lint rules, etc). then the rest is generated in an opinionated way, and you're given the config files that were emitted

3 months ago 17 1 1 0
Video

shell autocompletions for your javascript cli tool.

introducing tab:

3 months ago 80 12 3 3
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Simple example of TanStack DB with DynamoDB on AWS with multiple entities | Johannes Konings Implement a multi-entity data model with TanStack DB and DynamoDB using single table design. Learn how to manage Person, Address, BankAccount, ContactInfo, and Employment entities with ElectroDB and T...

Simple example of TanStack DB with DynamoDB on AWS with multiple entities

johanneskonings.dev/blog/2025-12...

3 months ago 0 0 0 0
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The most important command in the AWS CDK CLI isn't "deploy".

It's "diff".

I know this sounds obvious.
But I see so many developers skipping this step.

In a small side project, you might get away with it.
You change a Lambda function, deploy it, and everything is fine.

3 months ago 2 2 1 0
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GitHub - karlderkaefer/cdk-notifier: CLI tool to post AWS CDK diff as comment to Github pull request CLI tool to post AWS CDK diff as comment to Github pull request - karlderkaefer/cdk-notifier

This is handy to use for pull requests: github.com/karlderkaefe...

3 months ago 0 0 0 0
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Simple example of TanStack DB with DynamoDB on AWS | Johannes Konings Deploy a simple TanStack DB + DynamoDB setup on AWS using CDK, with a TanStack Start API route and a query collection powering a small todo UI.

Simple example of TanStack DB with DynamoDB on AWS

johanneskonings.dev/blog/2025-12...

3 months ago 0 0 0 0
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GitHub - e18e/eslint-plugin: The official e18e ESLint plugin for code modernization and performance best practices The official e18e ESLint plugin for code modernization and performance best practices - e18e/eslint-plugin

we released the new @e18e.dev ESLint plugin today! 🎉

this comes with 3 categories of rules: modernisation, performance, replacements

it also works with oxlint and most of the rules have auto-fixes 🛠️

try it out and let us know any feedback/rule suggestions in discord/bsky/github!

4 months ago 83 18 1 0
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AWS Lambda durable functions are now available in 14 additional AWS Regions AWS Lambda durable functions are now available in 14 additional AWS Regions, enabling developers to build reliable multi-step applications and AI workflows with checkpointing, automatic failure recovery, and pause execution without compute charges.

AWS Lambda durable functions are now available in 14 additional AWS Regions, enabling developers to build reliable multi-step applications and AI workflows with checkpointing, automatic failure recovery, and pause execution without compute charges.

4 months ago 1 1 0 0
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Knip for Editors & Agents

✂️ Knip for Editors & Agents

Couldn't be more excited and proud to introduce the brand new VS Code Extension and MCP Server. For humans and coding agents alike, Knip will help keep your codebases tidy.

→ Read the blog post:

4 months ago 48 9 2 1
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Socket Firewall Now Available in Docker Hardened Images - So... Socket Firewall Free is now bundled into Docker Hardened Images, adding build-time and dependency-install supply chain protection on top of hardened b...

🚀 Big News! Docker Hardened Images are now free! We’re partnering with @docker.com to bundle Socket Firewall into supported images, adding supply chain protection during dependency installs and builds.

Details → socket.dev/blog/socket-...

4 months ago 5 2 0 1