Implementation of user authentication function using devise (1)

This time, I will write about how to implement the user authentication function using devise.

To be able to

·user registration ・ Login ・ Log out

This is an essential function for Web services. Let's go fast.

First at the bottom of the Gemfile in the rails application directory

Gemfile


gem 'devise'

It is described as. Then at the terminal

% bundle install

to hold. Since it is necessary to restart the server after bundle install

% rails s

to hold.

Then to install the devise config file into the rails application

% rails g devise:install

to hold. This command will automatically generate the files used for devise settings.

Next, create a model that manages users. The command is different from the normal model creation procedure.

% rails g devise user

Let's execute. This will generate the model and migration files for devise.

Next, let's add the necessary columns to the generated migration file.

Once you have filled in the required columns, at the terminal

% rails db:create

Create a database with

% rails db:migrate

Let's migrate with.

This completes the creation of the User model for the time being.

Continue to (2).

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