Ruby on Rails application new creation command

New application

The command to create an application is ** rails new application name **

Example: rails new myapp

Option specification

Options can be specified when creating a new application.

Rails version specification

When creating an application by specifying the version ** rails _ version _ new application name **

Example:

rails _5.2.3_ new myapp


## Database specification
 When creating an application by specifying a database
 ** rails new application name -d database type **

 Example:
```rails new myapp -d mysql```

 If no database is specified, the database defaults to sqlite.
## Do not create a test
 If you want to create an application without creating a test
 ** rails new application name -T **
## Do not create .gitignore file
 If you want to create an application without creating a .gitignore file
 ** rails new application name -G **
## Other options
 There are various options other than the above.
 You can get help with the following command to see all the optional commands and their contents.
**rails new -h**


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