Heroku 2015: A Year in Review

If you missed a few days of the Heroku's changelog, not to worry! We're here to fill you in with all the critical info and killer tips. In this session, we will discuss major updates to the Heroku platform and the ways you can use it to make developing your app even easier. We'll leave plenty of time at the end for any questions.

Transcript

1. Heroku 2015: A Year in Review
2. Terence Lee @hone02
3. Agenda • Heroku • Postgres featuring @leinweber • Ruby • Ruby Core featuring @_ko1
4. Heroku
5. Button
7. README.md [] (https://heroku.com/deploy)
8. app.json { "name": "ruby-websockets-chat-demo", "description": "A template for getting started with the WebSockets on Heroku using Ruby.", "website": "...", "success_url": "/", "addons": ["rediscloud"], "env": {}, "scripts": {} }
9. Github Integration
10. Elements
11. PX Dynos in Europe • 6GB • not multitenant
12. Cedar-14 Stack based off of Ubuntu 14.04 LTS
13. Cedar-14 Stack Migration $ heroku stack:set cedar-14 -a example-app … $ git commit -m "update to cedar-14" --allow-empty … $ git push heroku master …
14. Cedar will be retired on Nov 4, 2015
15. 2 Factor Auth
16. http git
17. WebSockets enabled by default
18. Dashboard
19. Heroku Postgres
20. PostgreSQL 9.4 $ heroku addons:add heroku-postgresql --version=9.4
21. JSON Support postgres=# CREATE TABLE rubies (id serial, data json); CREATE TABLE postgres=# INSERT INTO rubies (data) VALUES postgres-# ('{"engine":"ruby","version":"2.2.2"}'); INSERT 0 1 postgres=# SELECT * FROM rubies; id | data ----+------------------------------------------------------------------------- 1 | {"engine":"ruby","version":"2.2.2"} (1 row)
22. JSONB Support postgres=# CREATE TABLE rubies (id serial, data jsonb); CREATE TABLE postgres=# INSERT INTO rubies (data) VALUES postgres-# ('{"engine":"ruby","version":"2.2.2"}'); INSERT 0 1 postgres=# SELECT * FROM rubies id | data ----+------------------------------------------------------------------------- 1 | {"engine":"ruby","version":"2.2.2"} (1 row)
24. create_table :rubies do |t| t.jsonb :data end
26. PG Backups heroku pgbackups -> heroku pg:backups
27. PGBackups $ heroku pg:backups schedule \ HEROKU_POSTGRESQL_GOLD --at="02:00 PDT"
28. pg:diagnose
29. Expensive Queries
30. $ heroku addons:create \ heroku- postgresql:standard-4 \ --fork CHARCOAL --fast
31. Ruby Updates
34. Ruby 1.9.3 support has also ended
35. Ruby 2.2 support on Day 0. Christmas 2014
36. Built 55 Rubies across two stacks
37. Puma is now recommended
38. JRuby • JDK8 Support • JRuby 9k pre
39. Ruby Core
40. Heroku Matz team Mission of Heroku Matz team Design new Ruby and improve quality of MRI Three full time Ruby core developers in Japan named “Matz team”
41. Yukihiro Matz Matsumoto Original creator of Ruby “I’m father of Ruby” • Direct new Ruby • mruby • Streem
42. Nobuyoshi Nobu Nakada Patch monster “Fix Ruby, break Ruby, and fix Ruby”
43. Nobuyoshi Nobu Nakada Patch monster
44. Koichi Sasada (ko1) Low-level maintainer “Speed is all” •Original YARV developer since 2004/01 •YARV: Yet Another RubyVM •Introduced into Ruby (MRI) 1.9.0 and later •Introduce “Generational” and “Incremental” GC
45. Ruby 2.2 Heroku Matz team and Ruby core team Recent achievement
46. Ruby 2.2 •Some new features (see NEWS) •Internal improvements •Symbol GC •Incremental GC •Using frozen string objects •Fast keyword parameters Rails users love!
47. Ruby 2.2 Fast keyword parameters “Keyword parameters” introduced in Ruby 2.0 is useful, but slow!! x30 slower
48. Ruby 2.2 Fast keyword parameters x14 faster!! But still x2 times slower compare with normal dispatch
49. Ruby 2.3 Next version will be released the end of this year Catch me and give me your feedback later http://www.flickr.com/photos/adafruit/8483990604
50. Schedule Today (Wednesday) 4:10-5:30: Open Source Help Desk from the core teams of Rails, RSpec, memory_profiler Tomorrow (Thursday) 3:20-4:20: Book Signing with Schneems (while supplies last)
51. Resources • https://blog.heroku.com/archives/2014/8/7/heroku-button • https://blog.heroku.com/archives/2014/12/4/general-availability-of- performance-dynos-in-europe • https://blog.heroku. com/archives/2014/11/4/cedar_14_now_generally_available • https://blog.heroku.com/archives/2014/9/25/two-factor-authentication-ga • https://blog.heroku. com/archives/2014/12/5/http_git_now_generally_available • https://blog.heroku.com/archives/2014/7/7/websockets_now_ga • https://blog.heroku.com/archives/2014/8/5/new-dashboard-and-metrics- beta
52. Resources • https://blog.heroku.com/archives/2015/1/8/postgres-9-4-on-heroku • https://blog.heroku.com/archives/2015/1/13/new-dataclips • https://blog.heroku.com/archives/2015/3/11/pgbackups-levels-up • https://blog.heroku.com/archives/2014/8/12/pg-diagnose • https://devcenter.heroku.com/articles/deploying-rails-applications-with-the- puma-web-server
53. Thank You