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Prisma + Supabase Error P1001

I kept getting Error P1001 (Can't reach database server) when using Supabase with Prisma. Here's how to troubleshoot and fix it.

Prisma + Supabase Error P1001

I was trying to use Supabase's PostgreSQL database with Prisma for a project. I kept getting this error:

text 
Error: P1001: Can't reach database server at `db.supabase.co`:`6543`

Troubleshooting Steps:

  1. Verify Database URL: Double check your connection string in .env.
  2. Check Port: If you're using the pooled connection, ensure you're using port 6543. If direct, use 5432.
  3. Regenerate Prisma Client: Run npx prisma generate.
  4. Network Issues: Ensure your current network allows connections to the database port.
bash 
npx prisma generate

In many cases, simply regenerating the client or switching to a direct connection (port 5432) for the DIRECT_URL solves the problem.

Happy Hacking!