puma

I updated from ruby 2.7.1 to 3.1.1, then removed Gemfile.lock and ran bundle update (it's on a dev branch, so I can throw it away if this is a bad idea, I just wanted to see if it would work).

bundle update succeeds, but when I start the server:

I'm running bundle install and it failed in the middle with the error:

I think I have a bit of a hard time understanding what files do I need to be able to run a container with my Rails app on an empty instance.

I have a docker-compose.prod.yml that I want to run:

I am getting this error when I try to sign up a user. After this error, I'm still able to sign in with the user it would've created, but it always shows me this upon registration. Please let me know if there's other information you need. Been stumped on this for a few days.

Here is the exception causes:

Here is the callback for the error:

I have created an infrastructure (application) using AWS, Docker (docker-compose), and Rails.
After launching the container in EC2 and starting the rails server, I get "ERR_CONNECTION_REFUSED" when I access the public IP address.
I would like to know how to display the application screen.

My directory structure looks like:

I am learning Hotwire-rails, following both the gorails.com and the Hotwire.dev examples. I am running Ruby 3.0.2 and Rails 6.1.4.1. The symptom is at the very start. After rails new xxx, I edit Gemfile to add gem 'hotwire-rails', then bundle install. At this point my app/javascript/packs/application.js is now:

I'm trying to set up my first Rails 7 app and have installed Bootstrap 5 properly (you can see by the CSS) and gotten rid of all the error messages, but the javascript functions (i.e. dropdown menus, offcanvas, etc.) aren't working.

I have tested it with this code:

Good morning people.

I'm trying to understand the error below but as I'm new to rails, I didn't quite understand. Does anyone have a light on what it could be?

I searched the internet but didn't find anything specific.

I searched on the internet but didn't identify anything, if anyone has seen it or has the link, you can send me and I'll see.

If you need any more information to help, let me know and I'll edit the post and add it, I don't know if there's anything else I could have already posted.

thank you for your help !!

I have a function that creates a long link. It does this by letting people click on multiple answers that belong to multiple question. Each question with it's answers belong to part of a multidimentional array.

Link creator: