Heroku at BattleHack Venice 2015

Transcript

1. HEROKU IN
   FIVE MINUTES
   BattleHack Venice 2015
   

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3. Platform-as-a-Service
   

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5. Sign up for free at heroku.com!
   

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6. FAST AND EASY DEPLOYS
   Sync from Dropbox, GitHub, or the code on your computer.
   

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7. Demo
   

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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/
    

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11. “The Twelve-Factor App”
    

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12. 12factor.net
    

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13. II. DEPENDENCIES
    Applications have explicitly declared dependencies.
    

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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"  
       }  
    }
    

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15. do not check your dependencies into Git
    

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16. III. CONFIGURATION
    Store config in the environment.
    

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17. III. CONFIGURATION
    Store config in the environment.
    Assumption:
    same code but different configuration per deployment target
    

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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
    

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19. do not hardcode config vars, they might change suddenly!
    

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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
    

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21. SCALING
    

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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.
    

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24. Demo
    

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25. ADD-ONS
    

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26. your app needs a relational database
    

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27. your app needs a document database
    

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28. your app needs an email gateway
    

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29. your app needs a search engine
    

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30. your app needs an analytics engine
    

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31. your app needs a log storage
    

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32. your app needs... add-ons!
    

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33. $  heroku  addons:create  heroku-­‐postgresql
    

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34. $  heroku  addons:create  heroku-­‐redis
    

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35. $  heroku  addons:create  mongolab
    

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36. $  heroku  addons:create  memcachier
    

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37. $  heroku  addons:create  foundelasticsearch
    

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38. $  heroku  addons:create  cloudamqp
    

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39. $  heroku  addons:create  papertrail
    

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40. $  heroku  addons:create  newrelic
    

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41. $  heroku  addons:create  sendgrid
    

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42. $  heroku  addons:create  pusher
    

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43. 150+ ADD-ONS, USE THEM!
    http://elements.heroku.com/
    

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44. Demo
    

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45. GOOD LUCK!
    

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47. xkcd.com/323
    

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49. The End
    

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50. THANK YOU FOR LISTENING!
    Questions? Ask me: @dzuelke & dz@heroku.com
    

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