Software Architecture & Technical Insights
86 articles on Software Architecture & Technical from the Creuto engineering and product team: practical guides, trends, and lessons from building real software.
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UAE health data residency: Tier 3 and a DESC-certified cloud
Dubai's telehealth standard requires patient data to stay in the UAE, on a Tier 3 certified data centre, with a DESC-certified cloud provider. We read the standard, the exception it points to, and DESC's own certified-provider list.
Akash Mohapatra
Oct 8, 2026
Envoy Gateway 1.9.1: skip 1.9.0, read the TLS note first
Envoy Gateway 1.9.1 closes an OAuth2 padding oracle and reverts a 1.9.0 timeout change. The certificate window everyone is warning about applies to one upgrade path only, and the recommended fix cuts the connections a gateway exists to hold.
Akash Mohapatra
Oct 3, 2026
Windows Server 2016 end of support: the app is the problem
Windows Server 2016 support ends on 12 January 2027, and nothing switches off. The friction is the application that will not move — and ESU is priced so that waiting a year costs the same as not waiting.
Akash Mohapatra
Oct 3, 2026
macos-14 runner retirement: fix your iOS CI before 2 Nov
GitHub retires the macOS 14 runner image on 2 November 2026, and eight October brownout windows fail jobs outright before then. Here is the label swap for each image, and the architecture trap in it.
Akash Mohapatra
Oct 3, 2026
Dynatrace Arize: $915M buys a verdict, not more traces
Dynatrace closed its $915 million acquisition of Arize on 1 October 2026. The useful part is not the price: it is that agent failures return 200, look healthy in a trace, and only an evaluator you wrote will catch them.
Akash Mohapatra
Oct 2, 2026
OpenAI Ultrafast: when is 6x the price worth the speed?
OpenAI Ultrafast runs GPT-6 Astra at six times the standard token price, and only token generation gets faster. Here is the arithmetic on a realistic month, and the narrow set of workloads that converts latency into value.
Akash Mohapatra
Oct 2, 2026
AWS Well-Architected Agent: inventory, not judgement
AWS put the Well-Architected review in an agent on 1 October 2026. It reads IaC and live accounts well, and it cannot see the tradeoffs your team made on purpose. Here is how to triage the findings.
Akash Mohapatra
Oct 2, 2026
Mutation testing AI generated tests: what coverage hides
A generated test suite can run every line and assert almost nothing. Mutation testing catches it. Here is how to wire one into CI, which mutants to ignore, and how to feed the survivors back to the generator.
Akash Mohapatra
Oct 2, 2026
RHEL alternatives in 2026: leverage, not a migration
Rocky Linux and AlmaLinux match RHEL's ten-year lifecycles and cost nothing. For a mid-market estate with certified middleware, they are still worth more at the renewal table than as a migration project.
Akash Mohapatra
Oct 2, 2026
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