[LRUG 2025] AI + Observability demo

[shellandbull]

LRUG 2025 | AI + Observability demo

In this PR

🐞 Instead of querying directly by user ID we load all of the users in memory to then find an AR model who's id attribute matches params[:id]

ActiveRecord::QueryCanceled (PG::QueryCanceled: ERROR:  canceling statement due to statement timeout):
  
app/controllers/api/users_controller.rb:42:in `index'
app/controllers/api/users_controller.rb:42:in `block in index'
app/controllers/api/users_controller.rb:42:in `each'
app/controllers/api/users_controller.rb:42:in `index'

Started GET "/api/users/123" for 127.0.0.1 at 2025-04-08 14:22:13 +0000
Processing by Api::UsersController#index as HTML
  Parameters: {"id"=>"123"}
  User Load (30012.1ms)  SELECT "users".* FROM "users"

📖 code2prompt output. See diff

🥃 A guided walkthrough through using LLMs to debug. See comment thread

[shellandbull]

fix with chatgpt