Practical, senior-level engineering on cloud infrastructure, web architecture, and systems management — written by the people who build and secure production systems at HOUSE603.
A metrics-driven method for matching instance type and count to real demand, with AWS CLI, Terraform, and scheduling examples.
Read Web ArchitecturePre-render, cache at the edge, and isolate the few endpoints that truly need a server. Cache-control, nginx, and SWR examples.
Read Systems ManagementA rehearsable, reversible release process a two-person team can run in daylight. systemd, nginx, and CI examples.
ReadModel a monthly cloud footprint and see the right-sizing headroom from our cloud article. It runs entirely in your browser and remembers your inputs on this device. Figures are indicative on-demand estimates for planning; confirm exact pricing with your provider.
Enter a workload to see the breakdown.
Get the exact figure →Every article is written by a practising engineer, not a content mill. We publish only techniques we have used on real systems, we show the actual commands and configuration, and we date every piece with a clear last-updated stamp. When something changes in the field, we revise the article rather than leave it stale.
Articles are authored and reviewed by HOUSE603 engineers who hold industry credentials including CISSP, CISM, and ISO/IEC 27001 and 42001 Lead Auditor. Advertising via Google AdSense keeps these resources free; if you would rather we implement the work, our services are one click away.
More about HOUSE603 →These articles are the summary. HOUSE603 does the build: digital transformation, project delivery, and information security including vCISO and readiness for SOC 2, ISO 27001, ISO 42001, and ISO/IEC 27701:2025.