Inspired by a #NordicJS talk on #Passkeys, I started implementing them for my passwordless SaaS. While working through the database schema and complex server logic, I noticed that key parts of the login flow are still under debate.

👋 from @nordicjs.com

We’re going live! Couldn’t make it to Stockholm? Don’t worry, you can still join #NordicJS from wherever you are. Tune in to our livestream today and catch all the talks, inspiration, and JavaScript magic in real time. 👉 nordicjs.com/live

Yes, #serverless still runs on servers. The difference? They’re not mine to worry about.

7,500 women helped end WWII at Bletchley Park. Pamela Downing was one of them. I wanted her name on the wall.

Sequential IDs are faster. UUIDs are safer. I wanted both speed and security, so I picked both.

After a year of building my SaaS, I finally integrated Stripe for self-service subscriptions. I almost overengineered billing before ever charging anyone.

My SaaS frontend, built on Next.js, never gets to see a session token. No shared cookies, headers, or credentials. Just a clean API boundary — on purpose.

IP addresses are not for humans. But DMARC reports are full of them, leaving users staring at logs instead of insights. So I enrich them with metadata like country and network owner (ASN) from IPinfo's free dataset, without compromising privacy.

The best #macOS screensaver is already installed on your device. Look for "Macintosh".

Most of my incoming email traffic hits all at once: around midnight and noon. I needed a system that could absorb the spikes and survive broken code when I ship it. Here’s the architecture I landed on.

Just shipped a tiny feature that made a huge difference: sparklines. These tiny charts now show trends in email volume inside each table cell: spikes, drops, and suspicious patterns. At a glance, they say more than words and numbers ever could.

Visibility matters—in encryption and in life. Never hide who you are. Happy #PrideMonth! 🌈 #Pride2025

I got this in my inbox 🤗 #nordicjs #js

That was painful

So, I recently talked to a journalist about Stumbleupon and Cloudhiker. The interview is now part of an article on the BBC Website! 🤯🤩 www.bbc.com/future/artic...

WordPress must stop blocking WP Engine, judge rules

What is 0? What is 10? The number of friends I likely am recommending them to? #feedback #emailtemplate

In today's dmarced refactor, I moved all messages to a separate #Monorepo package called "intl". It relies on Format.js while email rendering depends on react-email and react-intl. It's amazing that I can hand over i18n logic from non-React library code to TSX. #React #TypeScript #BuildInPublic

Okay, I need to follow more people here, my feed is full of NY times 🥹

I made a thing: bluesky-starter-packs.com An website with an extensive list of #bluesky #starterpacks. Categorized by tags so you can easily find the ones you are looking for. PS: It's open source, so feel free to contribute on Github.

I set up my domain handle! @fraenz.frieder.es who dis 👀

Rethinking #email traffic: How source categorization helps you make your #DMARC insights actionable. A #BuildInPublic thread 🧵 1/10

I‘m a self-employed software engineer, mainly in the #Nodejs & #TypeScript world. Right now, I‘m building dmarced, an email monitoring SaaS working with #dns #aws #serverless. Follow me, if you want to hear from #dev topics like these ✨

Hello, World.