Supabase is a free cloud database. You need to create a free account and project there first.

1. Go to supabase.com and sign up free
2. Click New Project
3. Give it a name like tradelens
4. Choose a strong database password (save it somewhere)
5. Select the region closest to you (London for UK)
6. Click Create new project and wait ~1 min

In your Supabase project dashboard:

1. Click Project Settings (gear icon, bottom left)
2. Click API in the left menu
3. Copy the Project URL and paste below
4. Copy the anon public key and paste below

Create your TradeLens login. This is stored securely in your Supabase project.