Day 77 of 90 Days of DevOps - Service Mesh with Istio. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

[Atuin](https://github.com/ellie/atuin) (via [Rhet Turnbull](https://twitter.com/RhetTurnbull/status/1518942324004319232)) "replaces your existing ...

I wanted to try out [Jest](https://jestjs.io/) for writing JavaScript unit tests, in a project that wasn't set up with `package.json` and other NPM...

I had a long-running process and I wanted to check that it was at least doing _something_.

Day 76 of 90 Days of DevOps - API Gateway and Microservices. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

Day 75 of 90 Days of DevOps - Event-Driven Architecture. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

I previously wrote about [Packaging a Python CLI tool for Homebrew](https://til.simonwillison.net/homebrew/packaging-python-cli-for-homebrew). I've...

Day 74 of 90 Days of DevOps - Serverless Frameworks and Tools. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

Day 73 of 90 Days of DevOps - Azure Functions and Logic Apps. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

[Protomaps](https://protomaps.com/) is "an open source map of the world, deployable as a single static file on cloud storage". It involves some _ve...

I had to get Docker Compose working for a Django project, primarily to make it easier for other developers to get a working development environment.

Day 72 of 90 Days of DevOps - AWS Lambda and Function Development. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

One of our cameras takes raw photos in ORF format, which I believe stands for "Olympus Raw Format". Here's a recipe I found for converting them to ...

`migrations.RunSQL.noop` provides an easy way to create "reversible" Django SQL migrations, where the reverse operation does nothing (but keeps it ...

Day 71 of 90 Days of DevOps - Serverless Computing Introduction. Part of the Serverless & Advanced Topics series covering essential DevOps concepts and hands-on practices.

This runs using Spotlight so it's really fast:

Day 70 of 90 Days of DevOps - Security Incident Response. Part of the Security & Compliance series covering essential DevOps concepts and hands-on practices.

Day 69 of 90 Days of DevOps - Zero Trust Architecture. Part of the Security & Compliance series covering essential DevOps concepts and hands-on practices.

Every time I opened a terminal on my new Mac running Catalina with zsh I got the following annoying error:

I just spent way too long messing around with ChatGPT ([transcript here](https://gist.github.com/simonw/c3b486fa90d7c32a0e8dfb47e151090a)) trying t...

This is a three-quarters-baked experiment that I ran this morning. I'm interested in efficiently tracking which new files have been added to an S3 ...

Day 68 of 90 Days of DevOps - Threat Modeling for DevOps. Part of the Security & Compliance series covering essential DevOps concepts and hands-on practices.

A follow-up to [Using OpenAI functions and their Python library for data extraction](https://til.simonwillison.net/gpt3/openai-python-functions-dat...

I have two different Google Cloud accounts active at the moment. Here's how to list them with `gcloud auth list`: