Create a new app in Rails

As a memorandum, I will summarize the procedure for creating a new application with Rails.

First, use the Rails new command to create the application.

The database uses MySQL. Write -d mysql at the end of the command option 6.0.0 is the version

% rails _6.0.0_new app name-d mysql

Now you can create a new app.


# encoding:utf8mb4

encoding:Change to utf8
This is to change the save format

Database creation Execute the following to create a database linked with the application

% rails db:create

OK if it works with rails s

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