DEVOPS WEEKLY ISSUE #641 - 9th April 2023

Lots of tools this week, along with a few (inevitable) posts on GPT-4 for devops related use cases.

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News

A good post on understanding the costs of high availability, and why aiming for too many 9s might be the wrong thing, especially for smaller teams.
https://world.hey.com/itzy/uptime-guarantees-a-pragmatic-perspective-736d7ea4

A discussion of RAVE metrics (resilience, adoption, velocity and errors) as a methodology for improving security posture.
https://itrevolution.com/articles/measuring-software-value-and-trust-lets-rave/

An interesting new online community, focused on developer experience. A once-a-month off-the-record hangout sounds particularly interesting for folks to share internal stories and examples.
https://dx.community/

An interesting use case for GPT-4, using it for investigating API design. Useful to see example prompts for common use cases like this.
https://til.simonwillison.net/gpt3/gpt4-api-design

Another GPT post, this one observing some problems with using it for security advice. One challenge here as well I think is prompt design, which is a completely new activity which everyone is learning as we go along.
https://decodebytes.substack.com/p/please-dont-use-gpt-for-security

Tools

Jitsu is an open-source Segment alternative. A fully-scriptable data ingestion engine that can stream the data to various data warehouse backends.
https://jitsu.com/
https://github.com/jitsucom/jitsu

Timoni is a package manager for Kubernetes, similar to Helm, but using CUE rather than Go templates.
https://github.com/stefanprodan/timoni

Wing is an interesting new programming language that combines application logic and cloud provisioning, along with built-in local simulation tooling.
https://www.winglang.io/
https://github.com/winglang/wing

One of the key tenets of Devops is measurement, which makes posthog an interesting project to look at. It combines event based analytics, data visualisation, feature flags, A/B testing and more.
https://github.com/PostHog/posthog

Tart is a virtualisation toolset to build, run and manage macOS and Linux virtual machines (VMs) on Apple Silicon. Note it’s Fair Source licensed, rather than open source.
https://github.com/cirruslabs/tart