Aquifer, −15 to −24 m NAP
Cloud & infrastructure
Everything flows through it, and the bill rises with the water table.
Sovereignty needs an exit, not just an address
Hosting with a European company is necessary, but it doesn't make you sovereign on its own. Being able to move between European providers whenever you want does.
Use the cloud, just don't let your code know which one
My one rule against vendor lock-in. Only use managed open source, so your application talks PostgreSQL, RabbitMQ and Kubernetes, and never a cloud SDK.
Warm standby beat multi-cloud, and it wasn't close
A regulated customer asked for multi-cloud resilience. What they actually needed was a second region and a rehearsed failover.