If you are the application owner check the logs for more information. Error 500

I created a page in rails with a SignUp sườn and it works great locally, everything was fine, so sánh I deployed the project in Heroku, where the statics_page's works perfectly, but this Form is not working and is throwing u the error:

We're sorry, but something went wrong.

If you are the application owner kiểm tra the logs for more information.

So I reviewed the log, where everything loads fine until this comes up in red:

2020-01-26T02:13:09.077537+00:00 heroku[router]: at=info method=GET path="/signup" host=safe-shelf-03588.herokuapp.com request_id=a96a3ba1-41ed-4963-8f6a-5cd3676954ff fwd="181.115.249.233" dyno=web.1 connect=0ms service=5ms status=500 bytes=1891 protocol=https

I reviewed forums and the most logical reason was đồ sộ review routes, but error 500 is a very common issue code for different reasons and I had no luck...

This is my routes.rb file:

Rails.application.routes.draw do
  get 'users/new'
  root 'static_pages#home'
  get  '/help',    to: 'static_pages#help'
  get  '/about',   to: 'static_pages#about'
  get  '/contact', to: 'static_pages#contact'
  get  '/signup',  to: 'users#new'
  resources :users
end

this is my database.yml:

default: &default
  adapter: postgresql
  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
  timeout: 5000

development:
  <<: *default
  database: 'my_app_development'

test:
  <<: *default
  database: 'my_app_test'

production:
  <<: *default
  database: sample_app_production
  username: sample_app
  password: <%= ENV['SAMPLE_APP_DATABASE_PASSWORD'] %>

my Procfile:

web: bundle exec puma -C config/puma.rb

and my puma.rb tệp tin just in case:

workers Integer(ENV['WEB_CONCURRENCY'] || 2)
threads_count = Integer(ENV['RAILS_MAX_THREADS'] || 5)
threads threads_count, threads_count

preload_app!

rackup      DefaultRackup
port        ENV['PORT']     || 3000
environment ENV['RACK_ENV'] || 'development'

on_worker_boot do
  # Worker specific setup for Rails 4.1+
  # See: https://devcenter.heroku.com/articles/
  # deploying-rails-applications-with-the-puma-web-server#on-worker-boot
  ActiveRecord::Base.establish_connection
end