Introduction

I will post the process of advancing the rails tutorial on my own.

It touches on words that I didn't understand in the process, jammed errors, and so on.

Please point out any mistakes as it is an output of personal learning.

Since this is my first post, I think there are many places that are difficult to read, but please forgive me.

Chapter 1 from zero to deployment

1.2.2 Install Rails

Q.. I was instructed to install yarm, but what exactly is it? A.. It seems to be a program that manages dependencies of JavaScript software (javascript package manager)

1.3.1 Bundler

An error has occurred !!

I immediately encountered an error during bundle install

Error encountered


[!] There was an error parsing `Gemfile`: Illformed requirement ["-> 3.2.1"]. Bundler cannot continue.

 #  from C:/environment/hello_app/Gemfile:36
 #  -------------------------------------------
 #  # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 >  gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 #  source 'https://rubygems.org'
 #  -------------------------------------------

Solution


 #  from 
C:/environment/hello_app/Gemfile:36
The part where the installation failed is displayed in ↑, so fix it

1.4 Version control with Git

Digression I made a mistake in the name of the branch, but it was easy to change git branch -m The name you want to change

At the end

There was no point to stumble to that point.

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