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Plain-English guides to Supabase, Postgres, RLS, Edge Functions, and how Supabase compares to Firebase and adjacent database platforms.

Supabase basics

Supabase RLS explained: writing your first Row Level Security policy

RLS is the reason a Supabase publishable key is safe to ship to the browser. Here is exactly how it decides whether a query returns your row.

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Compare platforms

Supabase vs Firebase 2026: the honest comparison

Both give you auth, database, storage and functions behind one SDK. One is relational and open-source; the other is document-based and Google-owned.

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How it works

Supabase Edge Functions cold starts: what to expect and how to fix them

Deno on the edge cold-starts in tens of milliseconds — but only when the code is small, imports are cached, and the region is warm. Here is the playbook.

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Reference

Supabase pricing tiers explained: what Free, Pro, Team and Enterprise actually include

Supabase pricing is flat-per-project, with usage overages on bandwidth and storage. Here is what each tier gets you and where the traps are.

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Supabase glossary: 25 terms every Supabase developer should know

A focused glossary of the language used across the Supabase docs, dashboard, and SDKs — enough to read any thread on the topic without googling every acronym.

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