What to do if you get Could not locate Gemfile or .bundle / directory

I will summarize what I learned and stumbled every day. If you find any mistakes in the description, please let us know! I'm always helped by other people's articles, so I hope it helps.

What kind of error is it

Gemfile not found error.

When it happens

Without moving to the directory of the created application,

bundle exec rake db:create

It happens when you execute a command such as.

approach

Use the cd command to move to the directory of the created app and then execute it.

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