Engineer building Cloud Cost Analyzer at Dragon Fractal. Self-hosted AWS cost optimization. Docker-pullable, free Community tier.https://www.jorelfermin.com/https://www.jorelfermin.com/posts/launching-cloud-cost-analyzer/https://www.jorelfermin.com/posts/launching-cloud-cost-analyzer/Cloud Cost Analyzer is live. Here's what it does, what it costs, and how to try it in the next five minutes.Tue, 02 Jun 2026 10:00:00 GMThttps://www.jorelfermin.com/posts/why-i-ship-an-agent-you-run-in-your-environment/https://www.jorelfermin.com/posts/why-i-ship-an-agent-you-run-in-your-environment/CCA's agent runs in your environment, collects metrics with your credentials, and sends them to the service for analysis. Here's why I designed it this way.Tue, 05 May 2026 10:00:00 GMThttps://www.jorelfermin.com/posts/building-a-read-only-iam-role-auditors-trust/https://www.jorelfermin.com/posts/building-a-read-only-iam-role-auditors-trust/How I designed CCA's IAM role to be genuinely least-privilege -- and why that decision matters more than any feature on the roadmap.Wed, 15 Apr 2026 10:00:00 GMThttps://www.jorelfermin.com/posts/what-aws-cost-explorer-actually-hides-from-you/https://www.jorelfermin.com/posts/what-aws-cost-explorer-actually-hides-from-you/AWS Cost Explorer shows you what you spent. It doesn't show you what you wasted. Here's what its default grouping logic obscures.Sat, 28 Mar 2026 10:00:00 GMThttps://www.jorelfermin.com/posts/the-6000-aws-bill-that-started-everything/https://www.jorelfermin.com/posts/the-6000-aws-bill-that-started-everything/How a single consulting engagement with a $6,000/mo AWS bill revealed the same waste patterns hiding in every account I looked at.Tue, 10 Mar 2026 10:00:00 GMThttps://www.jorelfermin.com/posts/service-testing-with-fenrir/https://www.jorelfermin.com/posts/service-testing-with-fenrir/Benchmark testing service and how that relates to software stability with Fenrir.Sat, 25 May 2019 22:12:03 GMThttps://www.jorelfermin.com/posts/trigger-an-Action-based-on-a-changing-resource/https://www.jorelfermin.com/posts/trigger-an-Action-based-on-a-changing-resource/Trigger commands / actions when a watched resource (e.g. Clipboard, Filesystem, Http, Ftp, etc) changes.Mon, 11 Mar 2019 22:40:32 GMThttps://www.jorelfermin.com/posts/json-http-request-format/https://www.jorelfermin.com/posts/json-http-request-format/Open source initiative to create a JSON-based standard for http request chains. JSON Http Request tree is a standard to empower developers.Sun, 04 Nov 2018 22:12:03 GMThttps://www.jorelfermin.com/posts/listen-and-it-shall-speak/https://www.jorelfermin.com/posts/listen-and-it-shall-speak/Speak is a command line utility for reading text aloud or writing the audio data to file.Wed, 25 Oct 2017 22:12:03 GMT