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Password-based Authentication

apps/ui-library/content/docs/tanstack/password-based-auth.mdx

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<BlockPreview name="password-based-auth/auth/sign-up" />

Installation

<BlockItem name="password-based-auth-tanstack" description="Supabase Client for TanStack Start" />

Folder structure

This block includes the Supabase client. If you already have one installed, you can skip overwriting it.

<RegistryBlock itemName="password-based-auth-tanstack" />

Usage

Once you install the block in your TanStack Start project, you'll get all the necessary pages and components to set up a password-based authentication flow.

Getting started

After installing the block, you'll have the following environment variables in your .env.local file:

env
VITE_SUPABASE_URL=
VITE_SUPABASE_PUBLISHABLE_KEY=

  • If you're using supabase.com, you can find these values in the Connect modal under App Frameworks or in your project's API settings.

  • If you're using a local instance of Supabase, you can find these values by running supabase start or supabase status (if you already have it running).

Adding email templates

  1. Add an email template for sign-up to the Supabase project. Your signup email template should contain at least the following HTML:

    html
    <h2>Confirm your signup</h2>

<p>Follow this link to confirm your user:</p>
<p>
  <a
    href="{{ .SiteURL }}/auth/confirm?token_hash={{ .TokenHash }}&type=email&next={{ .RedirectTo }}"
    >Confirm your email</a
  >
</p>

    For detailed instructions on how to configure your email templates, including the use of variables like {{ .SiteURL }},{{ .TokenHash }}, and {{ .RedirectTo }}, refer to our Email Templates guide.

  2. Add an email template for reset password to the Supabase project. Your reset password email template should contain at least the following HTML:

    html
    <h2>Reset Password</h2>

<p>Follow this link to reset the password for your user:</p>
<p>
  <a
    href="{{ .SiteURL }}/auth/confirm?token_hash={{ .TokenHash }}&type=recovery&next={{ .RedirectTo }}"
    >Reset Password</a
  >
</p>

Setting up routes and redirect URLs

  1. Set the site URL in the URL Configuration settings in the Supabase Dashboard.
  2. Set up the route users will visit to reset or update their password. Go to the URL Configuration settings and add the forgot-password route to the list of Redirect URLs. It should look something like: http://example.com/auth/forgot-password.
  3. Update the redirect paths in login.tsx and update-password.tsx components to point to the logged-in routes in your app. 1. Our examples use /protected, but you can set this to whatever fits your app.

Further reading