Implement secure multi-tenant Rails 8 apps with acts_as_tenant.
npx skills add https://github.com/sandeepmvl/rails-skills --skill multi-tenancy-sandeepmvl
Please help me install this Agent Skill. Skill: multi-tenancy Source: https://github.com/sandeepmvl/rails-skills/tree/main/skills/38-multi-tenancy Command: npx skills add https://github.com/sandeepmvl/rails-skills --skill multi-tenancy-sandeepmvl
AI coding agents frequently generate flawed multi-tenant Rails implementations that expose critical security risks, including cross-tenant data leaks, use of deprecated or fragile patterns like the unmaintained apartment gem, and broken background job tenancy that fails to isolate customer data.
Use the multi-tenancy skill to implement row-scoped tenant isolation with acts_as_tenant for your Rails SaaS app, including subdomain-based tenant resolution and background job tenancy.
High-intent search queries and answers about installing and using this skill.
Prevent cross-tenant data leaks in a Rails SaaS application by enforcing automatic query scoping using acts_as_tenant, which ensures all database queries are strictly filtered by tenant_id and eliminates unscoped data access.
Isolate background jobs in a multi-tenant Rails app by passing the tenant context to job workers and re-scoping queries within the job execution. This prevents broken job tenancy and ensures customer data remains isolated during asynchronous processing.
Choose row-scoped multi-tenancy for simpler operational needs and schema-per-tenant when strict compliance requires isolated database schemas. Row-scoping uses tenant_id columns with acts_as_tenant, while schema-per-tenant separates customer data at the database schema level.
Yes, acts_as_tenant works with Rails 8 to provide production-grade tenant isolation for B2B SaaS applications. It replaces deprecated patterns like the apartment gem and supports subdomain, path, or API header tenant resolution.
Resolve tenants via subdomain or API header in a multi-tenant Rails app by setting up a tenant resolution mechanism that identifies the customer account from the request context, then automatically scoping all subsequent database queries to that specific tenant.
Unscoped queries are dangerous in multi-tenant Rails applications because they bypass tenant isolation filters, allowing users to access or modify data belonging to other customer accounts. This creates critical cross-tenant data leak vulnerabilities and compliance violations.
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