To get Supabase and Algolia working together for search, you'll need a few things:

1. A Supabase project with some data.
2. An Algolia account.
3. Some basic knowledge of JavaScript, especially Node.js.

First, log in to your Algolia account and head to the dashboard. Click on "Indices" on the left-hand sidebar, then hit "New Index". Give your new index a name and click "Create".

Go to your Supabase project, open the "Settings" tab, and click on "API" in the left-hand sidebar. Copy the URL, anon key, and service role key. You'll need these later.

Make a new directory for your project. Navigate to this directory in your terminal and initialize a new Node.js project using npm init.

Install the Supabase and Algolia client libraries by running:

npm install --save @supabase/supabase-js algoliasearch

Create a new .js script file. Then, follow these steps:

5.1 Import the necessary packages and set up the Supabase and Algolia clients. Replace placeholders with your actual values:

const { createClient } = require('@supabase/supabase-js')
const algoliasearch = require('algoliasearch')

// create supabase client
const SUPABASE_URL = 'Your_Supabase_URL'
const SUPABASE_KEY = 'Your_Supabase_Key'
const supabase = createClient(SUPABASE_URL, SUPABASE_KEY)

// create algolia client
const ALGOLIA_APP_ID = 'Your_Algolia_App_ID'
const ALGOLIA_API_KEY = 'Your_Algolia_API_Key'
const client = algoliasearch(ALGOLIA_APP_ID, ALGOLIA_API_KEY)
const index = client.initIndex('Your_Index_Name')

5.2 Fetch data from Supabase:

let { data: rows, error } = await supabase.from('Your_Table_Name').select('*')

5.3 Transform the data and push it to Algolia Index:

let algoliaObjects = rows.map(row => ({
  objectID: row.id, // every Algolia object needs an ID
  ...row
}))

let { objectIDs, taskID } = await index.saveObjects(algoliaObjects)

Now, you can run your script with the command node yourScript.js. If everything's set up right, your data from Supabase should now be in the Algolia index, ready for search in your app.

Note: This guide is for a one-time data migration from Supabase to Algolia. In a real-world scenario, you'd probably want to automate this process to keep your Algolia index up to date.