METZ CODE Insights https://metzcode.dev/insights/ Engineering and strategy notes from METZ CODE — practical advice on architecture, build vs buy, multi-tenant SaaS, GDPR, and the boring tech that keeps software running. en METZ CODE S.R.L. office@metzcode.dev (METZ CODE) office@metzcode.dev (METZ CODE) Mon, 11 May 2026 21:06:42 +0000 Mon, 11 May 2026 21:06:42 +0000 GDPR eight years in: what we still get wrong https://metzcode.dev/insights/gdpr-eight-years-in https://metzcode.dev/insights/gdpr-eight-years-in Sun, 10 May 2026 09:00:00 +0000 GDPR has been in effect since May 2018. Eight years later, the same five mistakes keep showing up in custom software. Here's how to avoid them. Compliance AWS, Azure, or on-premise: choosing for EU regulated software https://metzcode.dev/insights/cloud-vs-on-premise-eu https://metzcode.dev/insights/cloud-vs-on-premise-eu Sun, 10 May 2026 09:00:00 +0000 Cloud-first isn't a strategy. The right answer depends on the system, the regulation, and the team. Here's how we actually decide. Architecture Audit trails as a feature, not an afterthought https://metzcode.dev/insights/audit-trails-as-a-feature https://metzcode.dev/insights/audit-trails-as-a-feature Sun, 10 May 2026 09:00:00 +0000 In regulated systems, the audit log isn't a debugging tool. It's a product. Here's how we design it from day one — and why the alternative is expensive. Engineering Seven things we always cut from e-commerce specs https://metzcode.dev/insights/ecommerce-things-we-cut https://metzcode.dev/insights/ecommerce-things-we-cut Sun, 10 May 2026 09:00:00 +0000 Every e-commerce spec arrives with thirty features. Here are seven that almost always belong on the cutting room floor — and why cutting them ships better software. Strategy Why we still pick boring tech in 2026 https://metzcode.dev/insights/why-boring-tech-wins https://metzcode.dev/insights/why-boring-tech-wins Sat, 09 May 2026 09:00:00 +0000 There's a new framework every Tuesday. We've stopped showing up to the launches. Here's why MetzCode keeps choosing technology that's been around long enough to have known bugs. Engineering Build vs buy: 5 questions before you write your own https://metzcode.dev/insights/build-vs-buy-five-questions https://metzcode.dev/insights/build-vs-buy-five-questions Sat, 09 May 2026 09:00:00 +0000 Most companies make this decision wrong twice — they buy when they should build, and build when they should buy. Here are the five questions that get you closer to the right answer. Strategy Six lessons from running our own multi-tenant SaaS https://metzcode.dev/insights/fleet-saas-lessons https://metzcode.dev/insights/fleet-saas-lessons Sat, 09 May 2026 09:00:00 +0000 We build software for clients, but we also build and operate a fleet management SaaS ourselves. Here are six things you only learn when you have to keep the lights on. Engineering