TenantLayer – Multi-Tenancy for Spring Boot and Postgres

What it does

Isolation the database enforces. Context that survives every thread, job and message. A test that proves it, not a README that claims it. @ Test @ WithTenant ( "acme" ) void oneTenantCannotSeeAnother () { assertThat (orders. findAll ()). isNotEmpty (); // acme sees its own assertTenantCannotSee ( "globex" ); // and nothing of globex's } Get started View source 0.1.0 · Apache 2.0 · on Maven Central · Java 17+ · Spring Boot 3.3+ Your connection pool reuses sessions. Set the tenant on one, miss the reset, and the next request inherits it — reading another customer’s data with no error, no exception, and nothing in your logs. Your tests will not catch this. Tests don’t contend for pooled…from tenantlayer.io

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