EU-only stack enables sovereign SaaS builds

The push for "European Digital Sovereignty" is graduating from policy debate to practical developer implementation. Managed services remain the biggest hurdle; while compute and storage are solved, managed auth (Cognito) and deep serverless ecosystems are still notable gaps. Choosing an EU-only stack significantly reduces GDPR legal overhead and the complexity of Data Processing Agreements (DPAs). The emergence of Mistral AI and Scaleway’s GPU clouds finally makes an EU-based AI stack a viable alternative to OpenAI/AWS for production workloads. Developers must weigh the cost-performance benefits of providers like Hetzner against the higher-level abstractions and "everything-in-one" convenience of US giants. The guide reflects a growing market for privacy-first, cookie-less tools like Plausible and Matomo as standard infrastructure components.