Stop Paying for Firebase: How to Self-Host Supabase on DigitalOcean for Free

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Stop Paying for Firebase: How to Self-Host Supabase on DigitalOcean for Free Building an app or launching a startup used to mean writing backend code from scratch. Then came Firebase, and more recently, Supabase—offering real-time PostgreSQL databases, instant Auth, Storage, and Edge Functions. But as your application scales, cloud platform limits quickly turn into massive monthly bills. Free tiers run dry, database storage limits kick in, and user authentication pricing starts to compound. Fortunately, Supabase is open-source.

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You got a 403. It probably isn't about the page.

I spent a week knocking on doors that said no. What I found: the "no" almost never lives in the door. It lives in how the knocker looks. Same URL, different fetcher, opposite answer. My raw sandbox: flat 403 "Blocked", before any login.

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ProgrammingDEV Community ·

A moov box at byte 28 did not make this MP4 a faststart file

Both MP4 exports put their moov box at byte 28. That looked like a convenient answer to the question I was checking: would the player have to fetch the end of the file before it could start? But the next boxes changed the interpretation. These files contained repeated moof and mdat pairs, followed by mfra. Calling them ordinary faststart MP4s would have discarded the most useful part of the inspection.

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ProgrammingDEV Community ·

Nevermined Routes. x402 Pays. But Who Settles? Why The Agent Economy Has a Settlement Gap

The agent economy has three distinct layers. The market has solved two of them. Layer 1: Routing. How does Agent A find Agent B? The IETF published the answer this month: AGTP-COMMERCE.

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ProgrammingDEV Community ·

Gumroad API pagination and HTTP 200 errors: the store that looked half-empty

I run a small Gumroad store from a set of scripts on my homelab. The scripts create products, set prices and tags, and check what is already listed before they list anything new. Twice this month they gave me a completely wrong picture of that store, and neither time did anything error. Both mistakes came from the same place: the Gumroad API tells you what happened in a way that is easy to misread. There are two traps.

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