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Download the files

• Bootrap 4.3.1
  • Compiled CSS and JS
• jQuery 3.4.1

Placing the files

• Place both the bootstrap.min.js & jquery-3.4.1.min.js in vendor/assests/javascript
• Place bootstrap.mini.css in vendor/assets/stylesheets

Include the files

• In config/initializers/assets.rb, add all 3 files to the precompile list
• Because they are loaded into the vendor/assets file directory, you will need to manually include them in both the css and js manifest files

# application.js
//= require jQuery-3.4.1.min.js

• Or, you manually include these files in the head of layouts/application.html.erb

<%= stylesheet_link_tag 'bootstrap.min' %>

# last element before the closing body tag:
# Use the script to access popper.js, needed for bootstrap 4.3.1
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<%= javascript_include_tag 'bootstrap.min' %>

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