Getting started

Intro

To start, open Quickstart page localhost:8020 for quick access to all the tools

From the quicklaunch page you can open workspace tools, such as code editor or terminal

Demo: Workspace UI

The main code editor of this workspace is Code-server

Demo: Code-server

Code-server demo

Workspace has full-size browser-base terminal

Base-Workspace terminal

Ruby

Check Ruby version

ruby -v

Install Rails - a web application development framework written in the Ruby programming language.

gem install rails

Check version

rails --version

Bundler

Create file Gemfile with the following content

source 'https://rubygems.org'
gem 'nokogiri'
gem 'rack', '~> 2.0.1'
gem 'rspec'

Install all of the required gems

bundle install

Rbenv

Use rbenv to pick a Ruby version for your application and guarantee that your development environment matches production.

List available versions, and install another one

rbenv install --list
rbenv install 3.0.4

Lists all Ruby versions known to rbenv, and shows an asterisk next to the currently active version.

rbenv versions

global environment

Change global Ruby (for all folders)

rbenv global 3.0.4

local environment (specific folder)

Chose local Ruby environment for this specific folder

rbenv local 3.0.4

Basic example

Create file http_server.rb

# http_server.rb
require 'socket'
server = TCPServer.new 8030
 
while session = server.accept
  request = session.gets
  puts request
 
  session.print "HTTP/1.1 200\r\n" # 1
  session.print "Content-Type: text/html\r\n" # 2
  session.print "\r\n" # 3
  session.print "Hello world! The time is #{Time.now}" #4
 
  session.close
end

Serve simple server

ruby http_server.rb

Open browser on localhost:8030

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