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Gumbo Sveins

Indie apps from Iceland. Would You For Cash? — free pass-the-phone party game on the App Store. Also Next.js / Vercel / Polar notes.

Iceland Joined on Sep 13, 2026 https://gumbosveins.github.io/would-you-for-cash/

Sep 20

Expired Polar Checkout Sessions Are Not Failed Payments

#polar #payments #nextjs #webdev

4 min read

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Sep 19

Polar Access Tokens Do Not Belong in NEXT_PUBLIC_

#nextjs #vercel #polar #security

3 min read

Sep 18

The Checkout Is Not the Entitlement

#nextjs #vercel #polar #payments

5 min read

Sep 16

Stop pasting Polar webhook secrets into online signature debuggers

#polar #webdev #nextjs #security

3 min read

Sep 14

Build a Vercel env matrix offline before you merge (and stop shipping the wrong secrets)

#nextjs #vercel #webdev #devops

7 min read

Sep 13

Polar sandbox vs live webhooks — why checkout works and entitlements do not

#nextjs #polar #webdev #payments

7 min read

Sep 13

The Next.js / Vercel production env mistakes that break launches

#webdev #nextjs #vercel #devops

6 min read

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