title: "rails s" can not be executed
body: <p>This is the version of my ruby and rails.</p>
  
  <p>ruby 2.6.3p62 
    Rails 5.2.3</p>
  
  <p>I input this code to make rails app.</p>
  
  <p>$ rails new Vessel_Trade_Queen -d mysql</p>
  
  <p>Then I executed this command and have error...</p>
  
  <p>$ rails s</p>
  
  <pre><code>Traceback (most recent call last):
      46: from bin/rails:4:in `&lt;main&gt;'
      45: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `require'
      44: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:257:in `load_dependency'
      43: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `block in require'
      42: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
      41: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
      40: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
      39: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
      38: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
      37: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/commands.rb:18:in `&lt;main&gt;'
      36: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/command.rb:46:in `invoke'
      35: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/command/base.rb:65:in `perform'
      34: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor.rb:392:in `dispatch'
      33: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor/invocation.rb:127:in `invoke_command'
      32: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor/command.rb:27:in `run'
      31: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/commands/server/server_command.rb:142:in `perform'
      30: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/commands/server/server_command.rb:142:in `tap'
      29: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/commands/server/server_command.rb:145:in `block in perform'
      28: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `require'
      27: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:257:in `load_dependency'
      26: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `block in require'
      25: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
      24: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
      23: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
      22: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
      21: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
      20: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/config/application.rb:7:in `&lt;main&gt;'
      19: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler.rb:114:in `require'
      18: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:65:in `require'
      17: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:65:in `each'
      16: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:76:in `block in require'
      15: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:76:in `each'
      14: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:81:in `block (2 levels) in require'
      13: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
      12: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
      11: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
      10: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
       9: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require'
       8: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/mysql2-0.5.3/lib/mysql2.rb:36:in `&lt;main&gt;'
       7: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `require'
       6: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:257:in `load_dependency'
       5: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `block in require'
       4: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require'
       3: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi'
       2: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register'
       1: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi'
  /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require': dlopen(/Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/mysql2-0.5.3/lib/mysql2/mysql2.bundle, 9): Library not loaded: /usr/local/opt/mysql/lib/libmysqlclient.21.dylib (LoadError)
    Referenced from: /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/mysql2-0.5.3/lib/mysql2/mysql2.bundle
    Reason: image not found - /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/mysql2-0.5.3/lib/mysql2/mysql2.bundle
  
  </code></pre>
  
  <p>When I try to input $ rails db:migrate, it will not be executed properly.
  I would appreciate if you have any idea to solve this problem.</p>