Row-level multi-tenancy in Go: the rule, the middleware and the test that proves

<p>Row-level multi-tenancy is the least glamorous security boundary in a B2B<br /> SaaS and the one most often broken by a Tuesday afternoon commit: a new<br /> query, a missing

<p>In a multi-tenant B2B platform, data leakage is an extinction-level event. If Property A logs into your dashboard and accidentally sees the guest data or revenue metrics for

<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>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>

<p>When you're building a multi-tenant SaaS, the first architectural question is usually: how do you keep tenant data isolated? The options range from separate databases per

<p>Many SaaS products are organized around workspaces, teams, or customer accounts. In those apps, authentication is only one part of the tenancy model. You also need a way to

<h1> Multi-Tenant Auth with Cognito and PostgreSQL Row-Level Security (Part 2) </h1> <p><em>How a single Postgres session variable — <code>app.current_tenant_id</code> —

<p>If you've reached for <code>acts_as_tenant</code> or <code>apartment</code> without really understanding what's happening underneath, this tutorial is the correction. We're