This document summarizes Developer's Meetup #8 in Tokyo, Japan. It discusses recent updates to Heroku including improved Postgres functionality with new features like index-only scans and the JSON datatype. It also mentions the availability of 2X dynos in beta to allow for more memory and threads. The document reviews an experimental Heroku OAuth integration and provides a sample code application demonstrating its use. It concludes by encouraging attendees to follow Heroku on social media and purchase a recommended book.

1. Developer’s Meetup #8
at Tokyo, Japan
□◇○
Heroku Update
Ayumu Aizawa
ayumin
Developer Marketing, Heroku, Inc.
4th Apr, 2013

2. 『HerokuではじめるRailsプログラミング入門』
www.amazon.co.jp/dp/4797371838

3. Safe harbor
Safe harbor statement under the Private Securities Litigation Reform Act of 1995: This presentation may contain forward-looking
statements that involve risks, uncertainties, and assumptions. If any such uncertainties materialize or if any of the assumptions
proves incorrect, the results of salesforce.com, inc. could differ materially from the results expressed or implied by the forward-
looking statements we make. All statements other than statements of historical fact could be deemed forward-looking, including any
projections of subscriber growth, earnings, revenues, or other financial items and any statements regarding strategies or plans of
management for future operations, statements of belief, any statements concerning new, planned, or upgraded services or
technology developments and customer contracts or use of our services.
The risks and uncertainties referred to above include – but are not limited to – risks associated with developing and delivering new
functionality for our service, our new business model, our past operating losses, possible fluctuations in our operating results and
rate of growth, interruptions or delays in our Web hosting, breach of our security measures, risks associated with possible mergers
and acquisitions, the immature market in which we operate, our relatively limited operating history, our ability to expand, retain, and
motivate our employees and manage our growth, new releases of our service and successful customer deployment, our limited
history reselling non-salesforce.com products, and utilization and selling to larger enterprise customers. Further information on
potential factors that could affect the financial results of salesforce.com, inc. is included in our annual report on Form 10-K for the
most recent fiscal quarter ended July 31, 2011. This document and others are available on the SEC Filings section of the Investor
Information section of our Web site.
Any unreleased services or features referenced in this or other press releases or public statements are not currently available and
may not be delivered on time or at all. Customers who purchase our services should make the purchase decisions based upon
features that are currently available. Salesforce.com, inc. assumes no obligation and does not intend to update these forward-
looking statements.

6. Heroku Postgres

7. Postgres 9.2
now default
heroku addons:add heroku-postgresql:dev
--version=9.2

8. New features
Index-only scan
Streaming replication improvement
JSON datatype
Range Type
http://wiki.postgresql.org/wiki/What's_new_in_PostgreSQL_9.2

10. Double Memory

11. 2X Dyno available (beta)
heroku ps:resize web=2X
https://devcenter.heroku.com/articles/dyno-size
- vertical scale approach
- able to deploy more big Apps (e.g. Java)
- able to run more # of thread (e.g. unicorn, Puma)

13. Java heap size
$ cat Procfile
web: java -Xmx1024m -cp target/classes:target/dependency/* HelloWorld

14. heroku beta program
beta.heroku.com

16. Identity

18. Heroku OAuth
(experimental)

19. OAuth Specification
OAuth1.0 - RFC5840 / OAuth2.0 - RFC 6749

20. Create OAuthClient
note: You can NOT create OAuthClient yet, this is under development
$ curl -i -n -X POST
> -d "client[name]=oauth-sample&client[redirect_uri]=http://localhost:5000/
auth/heroku/callback"
> https://api.heroku.com/oauth/clients
HTTP/1.1 201 Created
...
{
"id":"cafaa8bcbd7a900023bfb70d",
"name":"oauth-sample",
"description":null,
"redirect_uri":"http://localhost:5000/auth/heroku/callback",
"secret":"368b70ff11389ebb73634c8b5860827a4a9dc10fc6db0e05",
"trusted":false
}

21. heroku-bouncer
heroku/heroku-bouncer
※bouncer : 用心棒

22. Consumer App
$ cat .env $ cat config.ru
HEROKU_OAUTH_ID=cafaa8bc... require 'heroku/bouncer'
HEROKU_OAUTH_SECRET=368b7... require './app'
use Heroku::Bouncer, expose_token: true
$ cat Gemfile run App
source :rubygems
gem 'heroku-bouncer'
gem 'heroku-api'
gem 'sinatra' $ cat Procfile
gem 'thin' web: bundle exec thin start -p $PORT

23. request.env
$ cat app.rb
require 'heroku-api'
class App < Sinatra::Base
get '/' do
api = Heroku::API.new(:api_key => request.env["bouncer.token"])
apps = api.get_apps.body
“You have #{apps.size} app(s).”
end
end

24. ayumin-oauth-sample.com
bit.ly/10vn3kY

25. ayumin-oauth-sample.com

29. ayumin/heroku-oauth-sample

30. Conclusion
Heroku Postgres came more better !
2X Dyno improves to apps performance !!
Heroku id becomes more social !!!

31. Conclusion(cont.)
Follow @herokujp on twitter!
Like! facebook.com/herokujp!
Buy Heroku book now!

32. Thank you!
www.heroku.com