migrate DocSearch to Algolia Crawler

[orbeckst]

algolia (our search provider) recently started migrating search infrastructure. As per email from 11/9/21:

What do I need to do?

We tried making the migrations as smooth as possible, so all you have to do is:

• Create an Algolia account with your email address if you don't have one yet — @orbeckst with GitHub
• Join your own Algolia application
• Update your DocSearch frontend integration with your new credentials:
  • Your new appId: Y8HJT3NO22
  • Your new apiKey: 68fa6789d0a275a311f68914e0c2366e (search only key, see faq)

You can also read more about the migration on our documentation or contact us at docsearch@algolia.com or on Discord

[orbeckst]

The appId and the search key are actually not sensitive information so I didn't need to xxx them out. They are listed in our _config.yml.

https://docsearch.algolia.com/docs/migrating-from-legacy/#what-do-i-need-to-do-to-migrate shows clearly that you need to provide both. The Dashboar says about the Search API Key:

This is the public API key which can be safely used in your frontend code. This key is usable for search queries and it's also able to list the indices you've got access to.

Edit: Note that the key is the special "search only" key that was provided by algolia and not the "Search key" from the dashboard (see the faq: Why is the API key different in the dashboard?). I had initially used the dashboard key (which should be fine) but out of an abundance of caution I regenerated the dashboard Search API key.