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A mix of topics this week, with DevopsDays coverage, a few posts each on both monitoring and Kubernetes, and tools for managing your CLI tools and implementing software supply chain security.

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DevopsDays is still going strong. Here are notes from the recent DevopsDays Amsterdam, covering hands-on workshops, talks on sociotechnical systems, survivorship bias and the open spaces.

A look at the status of API Gateways for Kubernetes. A bit of historical context, the role of an API gateway, and thoughts on standardisation around envoy.

Static websites are popular for lots of reasons, but how best to monitor one? Lots of good practice here for websites in general, especially those with a build process and CDN.

A monitoring post, on the pyramid of alerting. Infrastructure/operational to data to semantic/business alerts.

Some optimisation tips for workloads running on OpenShift/Kubernetes. Covers node selectors, affinity, taints and toleration.

A reminder that cloud native capabilities, in this case autoscaling, are useful for many use cases but not all, and assumptions in the cloud often lead to surprise costs.


Aqua is a declarative CLI version manager. Specify CLI tools in a config file, and then install with a command, or use the lazy install feature to install when first run.

Macaron is a supply chain analysis tool, aimed at helping with the implementation of the SLSA supply chain security framework. It currently supports Maven, Gradle and Python based projects.