2012 coscup - build your php application on heroku
TRANSCRIPT
Build your PHP applicationon Heroku
Ronny Wang @ PIXNET
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PaaS
Platform-as-a-Service
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Deploy… And Run!
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Install…Config…
Linux? FreeBSD? Debian? Ubuntu?RPM? Ports? Package? Apt? yum?
Apache? Nginx?PHP-cgi? FastCGI? PHP-Fpm?
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Heroku
her-OH-koo
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2007 ~
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Amazon Web Service US-east-1
~200ms latency
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Lots of Addons
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Easy scale
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PostgreSQL
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Free!!!
On a small scale…
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What’s Stack?
Aspen, Bamboo, Cedar
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Stack Cedar
Clojure Facebook Java Spring or Play Node.js
Python or Django Ruby or Rails Scala
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No PHP?
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Facebook and Heroku
http://blog.heroku.com/archives/2011/9/15/facebook/
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What’s Dyno?
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Web, worker, cron, run process
All are dynos
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0.05US$/hour/dyno
= 1000NT$/month/dyno
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750hours free!
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Heroku toolbelt
https://toolbelt.heroku.comHeroku Client, Foreman, Git
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First: heroku login
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heroku create
# heroku createCreating evening-earth-7959... done, stack is cedarhttp://evening-earth-7959.herokuapp.com/ | [email protected]:evening-earth-7959.gitGit remote heroku added
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Add index.php
<?phpecho 'Hello World';
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git commit index.php –m ‘add Hello World’
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git pushCounting 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 typesProcfile declares types -> (none)Default types for PHP -> web-----> Compiled slug size in 21.5MB-----> Launching... done, v3http://evening-earth-7959.herokuapp.com deployed to Heroku
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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 operations2012-08-16T10:59:16+00:00 app[web.1]: [Thu Aug 16 10:59:16 2012] [error] server reached MaxClients setting, consider raising the MaxClients setting2012-08-16T11:03:16+00:00 app[web.1]: 10.189.119.194 - - [16/Aug/2012:11:03:15 +0000] "GET / HTTP/1.1" 200 142012-08-16T11:03:16+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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Database: PostgreSQL
https://postgres.heroku.com/
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Starter databases
DevPlan Free 10K rowsBasicPlan $9/month 10M rows
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Production databases
Size: up to 1TBCrane 400MB Cache $50/month
Kappa 800MB Cache $100/month : :
Baku 34GB Cache $3200/monthMecha 68GB Cache $6400/month
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heroku config
> heroku configDATABASE_URL: postgres://foofoofoo:[email protected]/foofoofooSHARED_DATABASE_URL: postgres://foofoofoo:[email protected]/foofoofoo
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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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heroku run
Start a dyno and run command
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heroku config:set LD_LIBRARY_PATH=/app/php/ext:/app/apache/lib
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heroku run "~/bin/php ~/www/script.php"
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Heroku Scheduler
Schedule your task
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Daily, hourly, 10 minutes
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$ ~/bin/php ~/www/cron.php
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Heroku worker
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File: Procfile
worker: ~/bin/php ~/www/worker.php
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heroku ps:scale worker=N
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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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heroku logs –p worker -t
# heroku logs –p worker –t2012-08-14T08:21:29+00:00 heroku[worker.1]: State changed from up to down2012-08-14T08:21:31+00:00 heroku[worker.1]: Stopping all processes with SIGTERM2012-08-14T08:21:33+00:00 heroku[worker.1]: Process exited with status 1432012-08-16T10:58:48+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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• Procfileworker: while true; do ~/bin/php ~/www/worker.php sleep 1; done
https://github.com/pixnet/pixframework-heroku/blob/master/Procfile
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Addons – Custom domain
xxxxx.herokuapp.com
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$ heroku domains:add www.example.com
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Addons - Memcache
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Memcache with SASL
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heroku config
> heroku configMEMCACHE_PASSWORD => *********MEMCACHE_SERVERS => mc6.ec2.northscale.netMEMCACHE_USERNAME => app******%40heroku.com
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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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Pix Framework on Heroku
http://framework.pixnet.net/http://github.com/pixnet/pixframewrok
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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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Create table
# heroku run “~/bin/php ~/www/prompt”Running `~/bin/php ~/www/prompt.php` attached to terminal... up, run.1>> User::createTable()
>> exit#
