Heroku at BattleHack Venice 2015

Transcript

1. HEROKU IN FIVE MINUTES BattleHack Venice 2015
3. Platform-as-a-Service
5. Sign up for free at heroku.com!
6. FAST AND EASY DEPLOYS Sync from Dropbox, GitHub, or the code on your computer.
7. Demo
10. FORKING APPS $  heroku  fork  -­‐-­‐from  sourceapp  -­‐-­‐to  targetapp   Creating  fork  targetapp...  done   Copying  slug...  done   Adding  heroku-­‐postgresql:dev...  done   Creating  database  backup  from  sourcapp...  ..  done   Restoring  database  backup  to  targetapp...  ..  done   Copying  config  vars...  done   Fork  complete,  view  it  at  http://targetapp.herokuapp.com/
11. “The Twelve-Factor App”
12. 12factor.net
13. II. DEPENDENCIES Applications have explicitly declared dependencies.
14. II. DEPENDENCIES Applications have explicitly declared dependencies. $  cat  composer.json   {      "require":  {          "php":  ">=5.3.3",          "ext-­‐mcrypt":  "*",          "symfony/symfony":  "~2.4.6",          "twig/extensions":  "~1.0",          "symfony/monolog-­‐bundle":  "~2.4"      }   } $  cat  package.json   {      "dependencies":  {          "express":  "~4.9.x",          "cool-­‐ascii-­‐faces":  "~1.3.x"      },      "engines":  {          "node":  "0.10.x"      }   }
15. do not check your dependencies into Git
16. III. CONFIGURATION Store config in the environment.
17. III. CONFIGURATION Store config in the environment. Assumption: same code but different configuration per deployment target
18. III. CONFIGURATION Store config in the environment. $smtp  =  parse_url(getenv('SMTP_GATEWAY_URL'));   $transport  =  Swift_SmtpTransport::newInstance(
        $smtp['host'],  $smtp['port']
 )
        -­‐>setUsername($smtp['user'])
        -­‐>setPassword($smtp['pass'])
 ; Assumption: same code but different configuration per deployment target $  heroku  config:set  SMTP_GATEWAY_URL=\   smtp://joecool:itwasadarkandstormynight@smtp.blah.com:827
19. do not hardcode config vars, they might change suddenly!
20. VI. PROCESSES heroku-­‐python-­‐app  $  cat  Procfile   worker:  python  worker.py   web:  gunicorn  hello:app heroku-­‐node-­‐app  $  cat  Procfile   worker:  node  worker.js   web:  node  index.js heroku-­‐ruby-­‐app  $  cat  Procfile   worker:  env  TERM_CHILD=1  bundle  exec  rake  resque:work   web:  bundle  exec  unicorn  -­‐p  $PORT  -­‐c  ./config/unicorn.rb heroku-­‐php-­‐app  $  cat  Procfile   worker:  php  background.php   web:  vendor/bin/heroku-­‐php-­‐apache2  #  or  heroku-­‐php-­‐nginx
21. SCALING
22. SCALING $  heroku  ps:scale  web=5   Scaling  dynos...  done,  now  running  web  at  5:1X.   $  heroku  ps   ===  web  (1X):  `bundle  exec  unicorn  -­‐p  $PORT`   web.1:  starting  2014/11/05  20:36:39  (~  4s  ago)   web.2:  starting  2014/11/05  20:36:39  (~  4s  ago)   web.3:  starting  2014/11/05  20:36:39  (~  4s  ago)   web.4:  starting  2014/11/05  20:36:38  (~  4s  ago)   web.5:  starting  2014/11/05  20:36:38  (~  4s  ago)   ===  worker  (Free):  `bundle  exec  stalk  worker.rb`   worker.1:  up  for  1m   $  heroku  ps:scale  web=1   Scaling  dynos...  done,  now  running  web  at  1:1X.
24. Demo
25. ADD-ONS
26. your app needs a relational database
27. your app needs a document database
28. your app needs an email gateway
29. your app needs a search engine
30. your app needs an analytics engine
31. your app needs a log storage
32. your app needs... add-ons!
33. $  heroku  addons:create  heroku-­‐postgresql
34. $  heroku  addons:create  heroku-­‐redis
35. $  heroku  addons:create  mongolab
36. $  heroku  addons:create  memcachier
37. $  heroku  addons:create  foundelasticsearch
38. $  heroku  addons:create  cloudamqp
39. $  heroku  addons:create  papertrail
40. $  heroku  addons:create  newrelic
41. $  heroku  addons:create  sendgrid
42. $  heroku  addons:create  pusher
43. 150+ ADD-ONS, USE THEM! http://elements.heroku.com/
44. Demo
45. GOOD LUCK!
47. xkcd.com/323
49. The End
50. THANK YOU FOR LISTENING! Questions? Ask me: @dzuelke & dz@heroku.com