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Cloud & infrastructure · #supabase
Step‑by‑step guide to enable RLS on a Supabase Postgres table, create a user‑owned SELECT policy, test the behavior, and roll back if needed.
Authenticated but getting 403s or empty results from Supabase? Diagnose Row Level Security misconfigurations with pg_policies queries, JWT role checks, and targeted fixes.
Supabase Realtime uses WebSockets to push database changes directly to clients, eliminating inefficient polling. Build a live chat app in minutes.
Application-level tenant filters fail the day someone forgets one. Supabase's Row Level Security moves multi-tenant authorization into PostgreSQL itself — here's the pattern, the performance cost, and how to verify it.
Stop relying on application-layer filters to secure your data. Learn how to use Supabase Row Level Security (RLS) to push authorization into the database for robust multi-tenant isolation.
Enabling RLS in Supabase can quietly block all access if policies are missing. This post walks through the canonical auth.uid() policy pattern, a verified setup example, and the performance and security trade‑offs you need before enabling it.
Eliminate password friction by implementing Supabase Magic Links. Learn how to set up passwordless OTP authentication, handle redirects, and secure your flow against phishing.
A practical guide to locking down tables with Supabase RLS, using auth.uid() and JWT claims, and avoiding common pitfalls in multi‑tenant Postgres apps.
Learn how to trigger an Edge Function on Supabase Storage uploads, use Sharp to resize images, and store the result back to the bucket. Includes code, trade‑offs, and a step‑by‑step example.