Content hashing for expensive stages
A late-stage failure in my pipeline meant rerunning from the top, which meant paying for image generation again....
Writing
Field notes
Notes on systems, tooling, and the craft of shipping software.
Not every decision needs a model
My pipeline called a language model to plan every scene in a video — shot type, camera angle,...
Your price table is wrong
I built cost tracking, wired a rate table into it, and got a number I trusted. Then I...
UFW does not protect Docker ports
I locked a server down, checked ufw status, and saw no rule for port 8000. Then I opened...
Terraform modules that stay readable
Terraform code rots faster than application code. Not because the language is bad, but because it’s easy to...
sys.path.insert will shadow your modules
I needed a shared telemetry module reachable from every stage of a pipeline whose stages live in separate...
Stop cutting on the clock
My scene planner divided total duration by ten and generated one image per slot. A 25-minute video produced...
Rust CLI tools that feel native
A CLI tool can be fast, correct, and still feel wrong. The difference between a tool people tolerate...
Read the source, not the warning
My renderer printed this on every run: Hardware accelerated encoding disabled - "crf" option is not supported with...
Deploy pipelines that don't wake you up
The best deploy pipeline is the one you never think about. Code merges, tests run, artifacts build, production...
Why Chrome crashes in Docker
Your renderer works on the host. Inside a container it dies partway through, usually with something as unhelpful...
Cost per finished minute
Everyone building on model APIs knows roughly what their bill is. Almost nobody knows what a single unit...
Rendering Persian text in headless Chrome
Your renderer works locally. You containerise it, run the same job, and every line of Persian is a...
Concurrent appends silently lose data
I turned on concurrency in a generation pipeline and my cost telemetry started under-reporting. Not by a visible...
A serial loop was costing me 25 minutes per video
My pipeline generated 149 images in 26 minutes. The model itself returns in about 4 seconds. That accounting...