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Ruby on Rails Tutorial

Learn Web Development with Rails

Michael Hartl

https://www.railstutorial.org/book

Chapter 1: From zero to deploy

1.3.4 Hello, world! commit

1.3.4 Hello, world! explanation

1.5.1 Heroku setup

Finished App

1.6.1 What we learned in this chapter

• Ruby on Rails is a web development framework written in the Ruby programming language.
• Installing Rails, generating an application, and editing the resulting files is easy using a pre-configured cloud environment.
• Rails comes with a command-line command called rails that can generate new applications (rails new) and run local servers (rails server).
• We added a controller action and modified the root route to create a “hello, world” application.
• We protected against data loss while enabling collaboration by placing our application source code under version control with Git and pushing the resulting code to a private repository at Bitbucket.
• We deployed our application to a production environment using Heroku.

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