1. Build your PHP application
on Heroku
Ronny Wang @ PIXNET

2. PaaS
Platform-as-a-Service
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3. Deploy… And Run!
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4. Install…Config…
Linux? FreeBSD? Debian? Ubuntu?
RPM? Ports? Package? Apt? yum?
Apache? Nginx?
PHP-cgi? FastCGI? PHP-Fpm?
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5. Heroku
her-OH-koo
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6. 2007 ~
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7. Amazon Web Service US-east-1
~200ms latency
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8. Lots of Addons
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9. Easy scale
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10. PostgreSQL
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11. Free!!!
On a small scale…
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12. What’s Stack?
Aspen, Bamboo, Cedar
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13. Stack Cedar
Clojure Facebook Java Spring
or Play Node.js Python or
Django Ruby or Rails Scala
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14. No PHP?
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15. Facebook and Heroku
http://blog.heroku.com/archives/2011/9/15/facebook/
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16. What’s Dyno?
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17. Web, worker, cron, run process
All are dynos
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18. 0.05US$/hour/dyno
= 1000NT$/month/dyno
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19. 750hours free!
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20. Heroku toolbelt
https://toolbelt.heroku.com
Heroku Client, Foreman, Git
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21. First: heroku login
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22. heroku create
# heroku create
Creating evening-earth-7959... done, stack is cedar
http://evening-earth-7959.herokuapp.com/ |
git@heroku.com:evening-earth-7959.git
Git remote heroku added
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23. Add index.php
<?php
echo 'Hello World';
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24. git commit index.php –m ‘add Hello World’
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25. git push
Counting objects: 3, done.
Writing objects: 100% (3/3), 250bytes, done.
Total 3 (delta 0), reused 0(delta 0)
-----> Heroku receiving push
-----> PHP app detected
-----> Bundling Apache 2.2.12
-----> Bundling PHP 5.3.10
-----> Discovering process types
Procfile declares types -> (none)
Default types for PHP -> web
-----> Compiled slug size in 21.5MB
-----> Launching... done, v3
http://evening-earth-7959.herokuapp.com deployed to
Heroku 24

26. 25

27. heroku logs
2012-08-16T10:59:15+00:00 app[web.1]: [Thu Aug 16 10:59:15 2012] [notice]
Apache/2.2.22 (Unix) PHP/5.3.10 configured -- resuming normal operations
2012-08-16T10:59:16+00:00 app[web.1]: [Thu Aug 16 10:59:16 2012] [error]
server reached MaxClients setting, consider raising the MaxClients setting
2012-08-16T11:03:16+00:00 app[web.1]: 10.189.119.194 - -
[16/Aug/2012:11:03:15 +0000] "GET / HTTP/1.1" 200 14
2012-08-16T11:03:16+00:00 app[web.1]: 10.217.59.175 - -
[16/Aug/2012:11:03:15 +0000] "GET /favicon.ico HTTP/1.1" 200 1025
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28. Database: PostgreSQL
https://postgres.heroku.com/
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29. Starter databases
DevPlan Free 10K rows
BasicPlan $9/month 10M rows
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30. Production databases
Size: up to 1TB
Crane 400MB Cache $50/month
Kappa 800MB Cache $100/month
: :
Baku 34GB Cache $3200/month
Mecha 68GB Cache $6400/month
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31. heroku config
> heroku config
DATABASE_URL: postgres://foofoofoo:barbarbar@ec2-123-123-123-
123.compute-1.amazonaws.com/foofoofoo
SHARED_DATABASE_URL: postgres://foofoofoo:barbarbar@ec2-123-123-
123-123.compute-1.amazonaws.com/foofoofoo
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32. if (!getenv('DATABASE_URL')) {
die('Need DATABASE_URL');
}
if (!preg_match(‘#postgres://([^:]*):([^@]*)@([^/:]*)(:d+)?/(.*)#’,
strval(getenv('DATABASE_URL')), $matches)) {
die('Unknown DATABASE_URL');
}
$user = $matches[1];
$pass = $matches[2];
$host = $matches[3];
$port = ltrim($matches[4], ':') ?: 1486;
$dbname = $matches[5];
$dbconn = pg_connect("host={$host} port={$port} dbname={$dbname}
user={$user} password=${pass} sslmode=require options='--
client_encoding=UTF8'") or die('Could not connect: ' . pg_last_error());
pg_execute($dbconn, "SELECT * FROM table");
＃https://github.com/pixnet/pixframework-heroku/blob/master/init.inc.php
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33. heroku run
Start a dyno and run command
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34. heroku config:set LD_LIBRARY_PATH=/app/php/ext:/app/apache/lib
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35. heroku run "~/bin/php ~/www/script.php"
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36. Heroku Scheduler
Schedule your task
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37. Daily, hourly, 10 minutes
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38. 37

39. $ ~/bin/php ~/www/cron.php
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40. Heroku worker
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41. File: Procfile
worker: ~/bin/php ~/www/worker.php
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42. heroku ps:scale worker=N
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43. heroku ps
# heroku ps
=== web: `sh boot.sh`
web.1: starting for 4s
=== worker: `~/bin/php ~/www/test.php`
worker.1: up for 25s
#
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44. heroku logs –p worker -t
# heroku logs –p worker –t
2012-08-14T08:21:29+00:00 heroku[worker.1]: State changed from up to down
2012-08-14T08:21:31+00:00 heroku[worker.1]: Stopping all processes with
SIGTERM
2012-08-14T08:21:33+00:00 heroku[worker.1]: Process exited with status 143
2012-08-16T10:58:48+00:00 heroku[worker.1]: Starting process with command
`while true; do ~/bin/php ~/www/test.php; sleep 1; done`
2012-08-16T10:58:49+00:00 heroku[worker.1]: State changed from starting to
up
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45. • Procfile
worker: while true; do ~/bin/php ~/www/worker.php
sleep 1; done
https://github.com/pixnet/pixframework-
heroku/blob/master/Procfile
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46. Addons – Custom domain
xxxxx.herokuapp.com
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47. $ heroku domains:add www.example.com
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48. Addons - Memcache
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49. Memcache with SASL
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50. 49

51. heroku config
> heroku config
MEMCACHE_PASSWORD => *********
MEMCACHE_SERVERS => mc6.ec2.northscale.net
MEMCACHE_USERNAME => app******%40heroku.com
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52. https://github.com/ronnywang/PHPMemcacheSASL
include('MemcacheSASL.php');
$m = new MemcacheSASL;
$m->addServer(getenv('MEMCACHE_SERVERS'), '11211');
$m->setSaslAuthData(getenv('MEMCACHE_USERNAME'),
getenv('MEMCACHE_PASSWORD'));
var_dump($m->add('test', '123'));
$m->delete('test');
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53. Pix Framework on Heroku
http://framework.pixnet.net/
http://github.com/pixnet/pixframewrok
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54. http://github.com/pixnet/pixframework-heroku
• Core
– /init.inc.php
– /.gitignore
– /libs/pixframework/
– /models/
• Web
– /.htaccess
– /index.php
– /controllers/
– /views/
• Worker/Cron/Script
– /prompt.php
– /cron.php
– /worker.php
– /Procfile
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55. Create table
# heroku run “~/bin/php ~/www/prompt”
Running `~/bin/php ~/www/prompt.php` attached to terminal... up, run.1
>> User::createTable()
>> exit
#
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56. Q&A
We are hiring!
techjob@pixnet.tw
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