supabase-install-auth

# Supabase Install & Auth ## Overview Install the Supabase SDK, CLI, and project credentials from scratch — covering package install, environment configuration, client initialization, and connection verification for both TypeScript (`@supabase/supabase-js`) and Python (`supabase`). **Key facts:** - **npm package:** `@supabase/supabase-js` - **Python package:** `supabase` (via pip) - **Client factory:** `createClient()` — never `new SupabaseClient()` - **Dashboard:** https://supabase.com/dashboard (Settings > API for keys) - **Docs:** https://supabase.com/docs ## Prerequisites - Node.js 18+ (for JS/TS) or Python 3.8+ (for Python) - Package manager: npm, pnpm, or yarn (JS) / pip (Python) - A Supabase project created at https://supabase.com/dashboard - Docker Desktop (only if using local development via `supabase start`) ## Instructions ### Step 1 — Install the SDK and CLI Install the SDK and the Supabase CLI: **JavaScript / TypeScript:** ```bash # Install the SDK npm install @supabase/supabase-js # For SSR frameworks (Next.js, SvelteKit, Nuxt), also install: npm install @supabase/ssr # Install the Supabase CLI (for types, migrations, local dev) npm install -D supabase ``` **Python:** ```bash # Install the SDK pip install supabase # Install the CLI (alternative: brew install supabase/tap/supabase) npm install -g supabase ``` Verify the CLI is available: ```bash npx supabase --version ``` ### Step 2 — Configure Environment Variables Retrieve project credentials...