Hello World from OSS Silicon Valley


HowToUse/RubyOnRails/4.2/Heroku/2015


_ Prerequisite

_ Install&Setup

_ Prepare Heroku's development environment

Step.1
Access to Heroku's web site.
CreateAccount_fig1.png
Step.2
Login the system.
CreateAccount_fig2.png
CreateAccount_fig3.png
Step.3
Click the Ruby's icon, and you will see the instruction how to install Heroku Toolbelt.
CreateAccount_fig4.png
Step.4
Install bundler to your environment.
$ gem install bundler
Step.5
Download Heroku Toolbelt from the link in web page.

_ HowToUse

_ Create rails project

Step.1
Login to Heroku server.
$ heroku login
Step.2
Create new rails project.
$ rails new <project name> --database=postgresql
Step.3
Create new controller for welcome page.
$ rails generate controller welcome
Step.4
Create welcome page.
$ vi app/views/welcome/index.html.erb 
<h2>Hello World</h2>
<p>
<%= Time.now %>
</p>
Step.5
Config routing setting
$ vi config/routes.rb
root 'welcome#index'
Step.6
Check if it can run in local environment.
$ rails s
Step.7
Create new project in Heroku space.
$ heroku create
Step.8
Deploy the sample project to Heroku server.
$ git init
$ git add .
$ git commit -m "initial checkin"
$ git push heroku master

Then you can access your application.

CreateApps_fig1.png

_ Connect Database

Step.1
Migrate database
$ heroku run rake db:migrate

_ Author

S.Yatsuzuka