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mfragale opened this issue May 21, 2025 · 10 comments
Open

How to connect Triplit to Better Auth? #362

mfragale opened this issue May 21, 2025 · 10 comments

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@mfragale
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Hi, I'm trying to connect Better Auth to my Triplit DB with no success.

My auth.ts code looks like this:

import { TriplitClient } from "@triplit/client";
import { betterAuth } from "better-auth";
import { schema } from "../../triplit/schema";

const triplitClient = new TriplitClient({
  schema,
  serverUrl: process.env.NEXT_PUBLIC_TRIPLIT_SERVER_URL,
  token: process.env.NEXT_PUBLIC_TRIPLIT_TOKEN,
});

export const auth = betterAuth({
  database: triplitClient,
  emailAndPassword: {
    enabled: true,
  },
});

When I try to sign up, I get this error:

⨯ [Error [BetterAuthError]: Failed to initialize database adapter] {
 cause: undefined
}
POST /api/auth/sign-up/email 500 in 30ms
node:internal/process/promises:394
   triggerUncaughtException(err, true /* fromPromise */);
   ^

[BetterAuthError: Failed to initialize database adapter] {
 cause: undefined
}

Any idea where I've gone wrong?
@daveycodez
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You need to use a Database Adapter, I created one here: https://github.com/daveyplate/better-auth-triplit

@mfragale
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mfragale commented May 27, 2025 via email

@mfragale
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mfragale commented May 27, 2025 via email

@daveycodez
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Are you using Next.js?

@daveycodez
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Did you set your environment variable on Vercel dashboard for BETTER_AUTH_SECRET?

@daveycodez
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Oh, leave External JWT path blank

@mfragale
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Yes, using next.js, envs on vercel all set and just now blanked the External JWT path from the Triplit dashboard, but still didn't work. Here's my codebase, if it helps:

https://github.com/mfragale/triple-better

@daveycodez
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Hey hit me up on Discord it'll be easier to help you there my username is daveycodez

I'd suggest testing your production Triplit DB on next dev locally so we can identify if it's an issue on the Vercel app or local or both

@mfragale
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Sure, I've sent you a request on Discord.

@daveycodez
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I think we're good to close this issue, we got it working. Had to do with using anon key for the server side HttpClient

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@mfragale @daveycodez