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⚡ AI Lessons
Dev.to · PDFops
🔧 Backend Engineering
4w ago
Bulk-filling PDFs from a CSV, and the 429 you shouldn't retry
A CSV roster, a PDF template, and a script that checks your quota before starting a run it can't finish. Plus why retrying this API's 429 mi
Dev.to · PDFops
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Snapshot-testing generated PDFs in CI with a hash instead of a diff
A headless-browser PDF renderer stamps a new timestamp and reorders internal objects every run, so byte-diffing its output in CI always fail
Dev.to · PDFops
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Migrating off wkhtmltopdf on AWS Lambda
wkhtmltopdf is archived, its last release carries an unpatched CVSS 9.8 SSRF, and it still ships as a Lambda Layer binary. If what you rende
Dev.to · PDFops
🔧 Backend Engineering
1mo ago
Assembling a KYC packet on Deno Deploy
Discover a template's fields at request time, fill it, and merge in the applicant's ID scan — one PDF packet, chaining PDFops' three primiti
Dev.to · PDFops
🔧 Backend Engineering
⚡ AI Lesson
2mo ago
Fill a PDF form inside a Cloudflare Worker — no Chromium, no Lambda
Headless Chrome won't run in a V8 isolate and a render layer doesn't belong on Lambda. The minimal Worker that fills an AcroForm PDF with one fetch.
Dev.to · PDFops
🔧 Backend Engineering
⚡ AI Lesson
3mo ago
Fill a PDF in Node.js — one fetch, no headless browser
Fill PDF form fields from Node.js with native fetch and FormData — no headless browser, no native addons. One call returns a filled PDF, deterministically. Hone
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