Keeping up with the fronted Joneses: streaming server side rendering

I’m moving more code into Cloudflare workers everyday as they are cheap, fast, and powerful. But it hasn’t been without struggle. This is the story of one such struggle with a troublesome endpoint. The endpoint in question verifies the OpenID authentication signature directly with Steam. In short, this code runs after the user authenticates with...

Did you know that the files originating from an file input don’t have all their data buffered into memory? Seems intuitive that this is how JS would work, otherwise web sites operating over files would be terribly memory inefficient. Don’t let this efficient File deceive you. If you create one yourself, you’ll soon find that you need to buffer...

In an app that has S3 files and a Postgres database storing file metadata, we might have a DELETE route that looks something like: Select file from db, and if it does not exist throw a 404. If the file’s owner isn’t our session’s user, check the db if the session’s user is an admin Delete file from the db Delete file from S3 The above steps...

I came across some high usage under my Vercel account. Vercel usage donut charts. Cropped for brevity What is “Fast Origin Transfer”? The docs are vague, and whatever it is, seems like I’m about at my limit. Vercel used to have straightforward pricing, but they recently updated their model. Instead of...

Last month I found myself in the unenviable position of having just executed the most dangerous command (dd) on the boot drive of the NAS of my homelab. I was trying to wipe stale ZFS partition information from a data drive after it became briefly detached, but on reboot, the drive labels had been reassigned and I didn’t double check if I was...