6d ago · 6 min read · We shipped our SaaS product with a single audit_logs table that had a tenant_id column. Seemed fine. Every query filtered by tenant_id. We had an index on it. Done. Then a customer's admin found another customer's audit events in their activity feed....
Join discussionFeb 13 · 7 min read · Search Intent: Informational/Educational - Developers and architects seeking to implement secure multi-tenant database architectures Content Role: Technical guide providing actionable implementation strategies for multi-tenant database design Introd...
Join discussionJan 22 · 4 min read · For a long time, I saw Multi-Tenant Jenkins mentioned repeatedly in SRE and DevOps discussions and interviews.I read articles, watched talks, but something always felt missing. I understood how people configured it — but not what real problem it was ...
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Jan 19 · 7 min read · This article was originally published on Saru Blog. The Setup Saru has 4 portals: System, Provider, Reseller, Consumer. Each runs on a different subdomain, but they share one Keycloak realm. system.saru.local (port 3001) → Keycloak provider.sar...
Join discussionJan 15 · 11 min read · This article was originally published on Saru Blog. What You'll Learn Comparison of data isolation patterns for multi-tenant SaaS Practical usage of PostgreSQL Row-Level Security (RLS) RLS policy design for 4-tier hierarchy (System/Provider/Resell...
Join discussionDec 27, 2025 · 5 min read · This article was originally published on Saru Blog. What You'll Learn How to approach building systems that exceed "what one person can maintain" Overview of complex multi-tenant system design Automation strategy to achieve zero manual testing In...
Join discussionDec 22, 2020 · 6 min read · We recently migrated a big NestJS project to adopt Prisma as the ORM. It turned out to be a great decision, and I described our wonderful experience in a recent blog post. The project is an API backend for a multi-tenant system, where each tenant has...
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