User index page empty on Railway, works locally and on Heroku

class UsersController < ApplicationController
  before_action :authenticate_user!, only: :show
  before_action :admin_user, :only => [:index, :edit, :update, :destroy]


  def show
    @user = User.find(params[:id])
  end

  def index
    @users = User.where(confirmed: true).paginate(page:params[:page])
  end

  private

    def admin_user
      redirect_to(root_url, status: :see_other) unless
      current_user && current_user.admin?
    end
end

<% provide(:title, 'All users') %>
<h2>All users</h2>

<%= will_paginate(@users) %>

  <ul class="users">
    <%= render @users %>
  </ul>

<%= will_paginate(@users) %>

<li>
  <%= gravatar_for user, size: 50 %>
  <%= link_to user.name, user %>
</li>

class UsersController < ApplicationController
  before_action :authenticate_user!, only: :show
  before_action :admin_user, :only => [:index, :edit, :update, :destroy]


  def show
    @user = User.find(params[:id])
  end

  def index
    @users = User.where(confirmed: true).paginate(page:params[:page])
  end

  private

    def admin_user
      redirect_to(root_url, status: :see_other) unless
      current_user && current_user.admin?
    end
end

[phases.install]
  cmds = ['apt install -y libmagickwand-dev'] 

#18 0.834 /usr/local/rvm/gems/ruby-3.1.2/gems/bundler-2.3.14/lib/bundler/definition.rb:486:in `materialize': Could not find active_storage_validations-1.0.3, aws-sdk-s3-1.116.0, bootsnap-1.12.0, bootstrap-sass-3.4.1, bootstrap-will_paginate-1.0.0, devise-4.8.1, geocoder-1.8.0, image_processing-1.12.2, importmap-rails-1.1.0, jbuilder-2.11.5, jsonapi-serializer-2.2.0, pg-1.4.4, puma-5.6.4, rails-7.0.3, rails-i18n-7.0.5, ransack-3.2.1, sprockets-rails-3.4.2, stimulus-rails-1.0.4, turbo-rails-1.1.1, will_paginate-3.3.1, debug-1.5.0, faker-2.20.0, web-console-4.2.0, capybara-3.37.1, selenium-webdriver-4.2.0, webdrivers-5.0.0, rails-controller-testing-1.0.5, minitest-reporters-1.5.0, guard-2.18.0, guard-minitest-2.4.6, activejob-7.0.3, activemodel-7.0.3, activestorage-7.0.3, activesupport-7.0.3, aws-sdk-core-3.164.0, aws-sdk-kms-1.58.0, aws-sigv4-1.5.2, msgpack-1.5.2, autoprefixer-rails-10.4.7.0, sassc-2.4.0, bcrypt-3.1.18, orm_adapter-0.5.0, railties-7.0.3, responders-3.0.1, warden-1.2.9, mini_magick-4.11.0, ruby-vips-2.1.4, actionpack-7.0.3, actionview-7.0.3, nio4r-2.5.8, actioncable-7.0.3, actionmailbox-7.0.3, actionmailer-7.0.3, actiontext-7.0.3, activerecord-7.0.3, i18n-1.10.0, sprockets-4.0.3, reline-0.3.1, bindex-0.8.1, addressable-2.8.0, mini_mime-1.1.2, nokogiri-1.13.6-x86_64-linux, rack-2.2.3.1, rack-test-1.1.0, regexp_parser-2.5.0, xpath-3.2.0, childprocess-4.1.0, rubyzip-2.3.2, websocket-1.2.9, ansi-1.5.0, builder-3.2.4, ruby-progressbar-1.11.0, formatador-1.1.0, listen-3.7.1, lumberjack-1.2.8, nenv-0.3.0, notiffany-0.1.3, pry-0.14.1, shellany-0.0.1, thor-1.2.1, guard-compat-1.2.1, globalid-1.0.0, marcel-1.0.2, concurrent-ruby-1.1.10, tzinfo-2.0.4, aws-eventstream-1.2.0, aws-partitions-1.649.0, jmespath-1.6.1, execjs-2.8.1, ffi-1.15.5, method_source-1.0.0, zeitwerk-2.6.0, rails-dom-testing-2.0.3, rails-html-sanitizer-1.4.3, erubi-1.10.0, websocket-driver-0.7.5, mail-2.7.1, public_suffix-4.0.7, rb-fsevent-0.11.1, rb-inotify-0.10.1, coderay-1.1.3, loofah-2.18.0, websocket-extensions-0.1.5, net-protocol-0.1.3, strscan-3.0.3, timeout-0.3.0, crass-1.0.6 in any of the sources (Bundler::GemNotFound)

#18 ERROR: executor failed running [/bin/bash -ol pipefail -c bundle exec rake assets:precompile]: exit code: 1
-----
> [stage-0 14/15] RUN  bundle exec rake assets:precompile:
-----
executor failed running [/bin/bash -ol pipefail -c bundle exec rake assets:precompile]: exit code: 1
 
Error: Docker build failed

!
!     There was an error parsing your Gemfile, we cannot continue
!
!     [!] There was an error parsing `Gemfile`: syntax error, unexpected string literal, expecting `do' or '{' or '(' - gem "aws-sdk-s3",                r...
!     ^
!     /workspace/Gemfile:7: syntax error, unexpected ',', expecting end-of-input
!     gem "aws-sdk-s3",                require: false
!     ^
!     . Bundler cannot continue.
!
!     #  from /workspace/Gemfile:7
!     #  -------------------------------------------
!     #  gem "active_storage_validations",
!     >  gem "aws-sdk-s3",                require: false
!     #  gem "bootsnap",                   "1.12.0", require: false
!     #  -------------------------------------------

RubyGems Environment:
  - RUBYGEMS VERSION: 3.3.7
  - RUBY VERSION: 3.1.2 (2022-04-12 patchlevel 20) [arm64-darwin21]
  - INSTALLATION DIRECTORY: /Users/rebeccamaybaum/.rvm/gems/ruby-3.1.2
  - USER INSTALLATION DIRECTORY: /Users/rebeccamaybaum/.gem/ruby/3.1.0
  - RUBY EXECUTABLE: /Users/rebeccamaybaum/.rvm/rubies/ruby-3.1.2/bin/ruby
  - GIT EXECUTABLE: /opt/homebrew/bin/git
  - EXECUTABLE DIRECTORY: /Users/rebeccamaybaum/.rvm/gems/ruby-3.1.2/bin
  - SPEC CACHE DIRECTORY: /Users/rebeccamaybaum/.gem/specs
  - SYSTEM CONFIGURATION DIRECTORY: /Users/rebeccamaybaum/.rvm/rubies/ruby-3.1.2/etc
  - RUBYGEMS PLATFORMS:
     - ruby
     - arm64-darwin-21
  - GEM PATHS:
     - /Users/rebeccamaybaum/.rvm/gems/ruby-3.1.2
     - /Users/rebeccamaybaum/.rvm/rubies/ruby-3.1.2/lib/ruby/gems/3.1.0
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :backtrace => false
     - :bulk_threshold => 1000
     - "gem" => "--no-document"
  - REMOTE SOURCES:
     - https://rubygems.org/
  - SHELL PATH:
     - /Users/rebeccamaybaum/.rvm/gems/ruby-3.1.2/bin
     - /Users/rebeccamaybaum/.rvm/gems/ruby-3.1.2@global/bin
     - /Users/rebeccamaybaum/.rvm/rubies/ruby-3.1.2/bin
     - /Users/rebeccamaybaum/.rvm/bin
     - /usr/local/bin
     - /opt/homebrew/bin
     - /opt/homebrew/sbin
     - /usr/local/bin
     - /usr/bin
     - /bin
     - /usr/sbin
     - /sbin