The Million-Tenant Problem: Why Your OpenSearch Service Architecture Breaks at S

<p>If your SaaS charges customers and also plugs into those customers' billing stack, you do not have one billing problem. You have two.</p> <p>You need to bill your own customer

<p>A semantic search system has already crossed its security boundary before generation begins: if retrieval admits another customer's chunk, no prompt can make that access

<p>Multi-tenancy is the decision that quietly shapes your entire SaaS backend. Get it right and you scale smoothly to thousands of accounts. Get it wrong and you're rewriting your

<p>Building a B2B SaaS platform for transport companies, I faced a critical architectural decision: separate database per tenant or shared database with logical isolation?</p>

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<h2> The decision is not CloudFront versus Cloudflare Pages </h2> <p>The real decision is <strong>what must be isolated per tenant</strong>. One Angular build can serve several