Create new basic backend tutorial for Ruby and update description of other backend tutorials

basic/backend/java/README.md

@@ -1,6 +1,6 @@
 # Basic Backend Java
 
-Basic server application built with Spring Boot and Java. It internally uses [livekit-server-sdk-kotlin](https://github.com/livekit/server-sdk-kotlin).
+Basic server application built for Java with Spring Boot. It internally uses [livekit-server-sdk-kotlin](https://github.com/livekit/server-sdk-kotlin).
 
 For further information, check the [tutorial documentation](https://livekit-tutorials.openvidu.io/basic/backend/java).
 

basic/backend/java/pom.xml

@@ -14,7 +14,7 @@
 	<artifactId>basic-java</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<name>basic-java</name>
-	<description>Basic server application built with Spring Boot and Java</description>
+	<description>Basic server application built for Java with Spring Boot</description>
 
 	<properties>
 		<java.version>17</java.version>

basic/backend/node/README.md

@@ -1,6 +1,6 @@
 # Basic Backend Node
 
-Basic server application built with Node.js and Express. It internally uses [livekit-server-sdk-js](https://docs.livekit.io/server-sdk-js/).
+Basic server application built for Node.js with Express. It internally uses [livekit-server-sdk-js](https://docs.livekit.io/server-sdk-js/).
 
 For further information, check the [tutorial documentation](https://livekit-tutorials.openvidu.io/basic/backend/node).
 

basic/backend/node/package.json

@@ -1,7 +1,7 @@
 {
     "name": "basic-node",
     "version": "1.0.0",
-    "description": "Basic server application built with Node.js and Express",
+    "description": "Basic server application built for Node.js with Express",
     "main": "index.js",
     "type": "module",
     "scripts": {

basic/backend/python/README.md

@@ -1,6 +1,6 @@
 # Basic Backend Node
 
-Basic server application built with Python and Flask. It internally uses [livekit-python-sdk](https://github.com/livekit/python-sdks).
+Basic server application built for Python with Flask. It internally uses [livekit-python-sdk](https://github.com/livekit/python-sdks).
 
 For further information, check the [tutorial documentation](https://livekit-tutorials.openvidu.io/basic/backend/python).
 

basic/backend/ruby/.gitignore

@@ -0,0 +1,56 @@
+*.gem
+*.rbc
+/.config
+/coverage/
+/InstalledFiles
+/pkg/
+/spec/reports/
+/spec/examples.txt
+/test/tmp/
+/test/version_tmp/
+/tmp/
+
+# Used by dotenv library to load environment variables.
+# .env
+
+# Ignore Byebug command history file.
+.byebug_history
+
+## Specific to RubyMotion:
+.dat*
+.repl_history
+build/
+*.bridgesupport
+build-iPhoneOS/
+build-iPhoneSimulator/
+
+## Specific to RubyMotion (use of CocoaPods):
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
+#
+# vendor/Pods/
+
+## Documentation cache and generated files:
+/.yardoc/
+/_yardoc/
+/doc/
+/rdoc/
+
+## Environment normalization:
+/.bundle/
+/vendor/bundle
+/lib/bundler/man/
+
+# for a library or gem, you might want to ignore these files since the code is
+# intended to run in multiple environments; otherwise, check them in:
+Gemfile.lock
+# .ruby-version
+# .ruby-gemset
+
+# unless supporting rvm < 1.11.0 or doing something fancy, ignore this:
+.rvmrc
+
+# Used by RuboCop. Remote config files pulled in from inherit_from directive.
+# .rubocop-https?--*

basic/backend/ruby/Gemfile

@@ -0,0 +1,6 @@
+source 'https://rubygems.org'
+
+gem 'sinatra'
+gem 'sinatra-cors'
+gem 'puma'
+gem 'livekit-server-sdk'

basic/backend/ruby/README.md

@@ -0,0 +1,30 @@
+# Basic Backend Node
+
+Basic server application built for Ruby with Sinatra. It internally uses [livekit-server-sdk-ruby](https://github.com/livekit/server-sdk-ruby).
+
+For further information, check the [tutorial documentation](https://livekit-tutorials.openvidu.io/basic/backend/ruby).
+
+## Prerequisites
+
+-   [Ruby](https://www.ruby-lang.org/en/downloads/)
+
+## Run
+
+1. Download repository
+
+```bash
+git clone https://github.com/OpenVidu/openvidu-livekit-tutorials.git
+cd openvidu-livekit-tutorials/basic/backend/ruby
+```
+
+2. Install dependencies
+
+```bash
+bundle install
+```
+
+3. Run the application
+
+```bash
+ruby app.rb
+```

basic/backend/ruby/app.rb

@@ -0,0 +1,35 @@
+require 'sinatra'
+require 'sinatra/cors'
+require 'livekit'
+require './env.rb'
+
+SERVER_PORT = ENV['SERVER_PORT'] || 6080
+LIVEKIT_API_KEY = ENV['LIVEKIT_API_KEY'] || 'devkey'
+LIVEKIT_API_SECRET = ENV['LIVEKIT_API_SECRET'] || 'secret'
+
+set :port, SERVER_PORT
+
+register Sinatra::Cors
+set :allow_origin, "*"
+set :allow_methods, "POST,OPTIONS"
+set :allow_headers, "content-type"
+
+post '/token' do
+  content_type :json
+
+  body = JSON.parse(request.body.read)
+  room_name = body['roomName']
+  participant_name = body['participantName']
+
+  if room_name.nil? || participant_name.nil?
+    status 400
+    return 'roomName and participantName are required'
+  end
+
+  token = LiveKit::AccessToken.new(api_key: LIVEKIT_API_KEY, api_secret: LIVEKIT_API_SECRET)
+  token.identity = participant_name
+  token.name = participant_name
+  token.add_grant(roomJoin: true, room: room_name)
+
+  return token.to_jwt
+end

basic/backend/ruby/env.rb

@@ -0,0 +1,3 @@
+ENV['SERVER_PORT'] = '6080'
+ENV['LIVEKIT_API_KEY'] = 'devkey'
+ENV['LIVEKIT_API_SECRET'] = 'secret'