Cloud 101: Hands-on Heroku & AWS

< StartupDecode />
Cloud 101:
Hands-on Heroku & AWS
Meetup #01
With
Amine Sadry
Happy developer
Startupdecode
Mathieu Cadet
Account Manager
Amazon Web Services
meetup.com/startupDecode @startupdecode /startupDecode /user/startupDecode

< Program />
1. What is cloud computing ? (20 min )
2. Cloud computing on AWS (30 min)
3. Hands-on Heroku (30 min)
4. Hands-on AWS (40 min)
5. Apéro Networking (30 min)
www.startupdecode.com

< Nightmare />
● Rack space
● Power
● Cooling
● Disaster recovery
www.startupdecode.com By Fleshas via Wikimedia Commons

< Virtualization />
Server Server
Application
Operating System
Hardware
Virtualization Layer
Hardware
A
OS
VM
A
OS
VM
A
OS
VM

< Cloud is tech />
● Virtualization
● automation
● Elasticity

< Cloud is business model />
● Pay as you go
● Self-service
● Computing as utility

< Benefits />
● No investment
● No maintenance
● No admin expertise
● IT on Demand
● Scalability
● Focus on core business

< Deployment models />
Public Hybrid Private
Available to general public
Mix of both
Available to solely one
organisation
Infrastructure owned by a
provider of cloud services Infrastructure owned by the
organisation or a third party

< Service models />
IaaS PaaS SaaS
Application
Database
Runtime
Virtual Machine
Hardware
Application
Runtime
OS
Virtual Machine
Hardware
Application
Database
Runtime
OS
Virtual Machine
Hardware
OS
Database

< AWS />

< Prerequisite />
● Install Ruby on Rails: http://installrails.com
● Create account on heroku.com
● Install toolbelt kit: https://toolbelt.heroku.com
● Create account on http://aws.amazon.com
● Install ImageMagick http://www.imagemagick.org

< Install app />
3. Install gems
$ git clone git@github.com:StartupDecode/lcapp.git
1. Clone
2. Go into rails project
$ cd lcapp
$ bundle install

< Install Database/>
1. Migrate Database
2. Populate Database
$ rake db:seed
3. restart server
$ rake db:migrate
$ rails server

< Update GemFile/>
1. Update Gemfile and run bundle install
group :development do
gem 'sqlite3'
end
group :production do
gem 'pg'
gem 'rails_12factor'
gem 'rails_log_stdout', github: 'heroku/rails_log_stdout'
gem 'rails3_serve_static_assets', github: 'heroku/rails3_serve_static_assets'
end

< Heroku app />
1. Create heroku app
2. Track updated files
$ heroku apps:create lcapp-xxx
$ git add .
$ git commit -m “add heroku config”
3. Commit

< Deploy />
1. Push to heroku
2. Migrate production database
$ heroku run rake db:migrate
3. Populate production database
$ git push heroku master
$ heroku run rake db:seed

< Create S3 Bucket />

< Create IAM User />

< Create IAM Group />

< Add secret Key />
1. Add bucket name
$ heroku config:set AWS_BUCKET=your_bucket_name
2. Add access key ID
$ heroku config:set AWS_ACCESS_KEY_ID=your_aws_access_key_id
3. Add secret access key
$ heroku config:set AWS_SECRET_ACCESS_KEY=your_aws_secret_key

< S3 config />
1. Add S3 gem and run bundle install
gem 'aws-sdk'
2. Add production config
config.paperclip_defaults = {
:storage => :s3,
:s3_credentials => {
:bucket => ENV['AWS_BUCKET'],
:access_key_id => ENV['AWS_ACCESS_KEY_ID'],
:secret_access_key => ENV['AWS_SECRET_ACCESS_KEY']
}
}

< Deploy />
1. Install gem
2. Track changes
$ git add .
3. Commit changes
$ git commit -m “add S3 config”
4. Push to heroku
$ bundle install
$ git push heroku master

< StartupDecode />
Next meetup:
Object-oriented programming
A bientôt
meetup.com/startupDecode @startupdecode /startupDecode /user/startupDecode

Cloud 101: Hands-on Heroku & AWS

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