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Perl Platform as a Service Shootout
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Jade Allen
June 14, 2012
Programming
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480
Perl Platform as a Service Shootout
Comparing and contrasting various platform as a service provider's Perl support
Jade Allen
June 14, 2012
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Transcript
Perl Platform as a Service Shootout Mark Allen
[email protected]
https://github.com/mrallen1
https://metacpan.org/author/MALLEN
"Platform as a Wha?" Coders don't have to be system
administrators • Deploy your code • Magic happens • Your application is live • Web applications • Now queue workers too
Platform as a service shootout Most PaaS providers support python,
php, ruby or node.js "natively" A few support Perl deployments. How magical is Perl support?
Test application: geotz Given a JSON encoded list of IP
addresses, return the UTC offset for each IP's timezone. Input: ["24.24.24.24"] Output: { "24.24.24.24" : { "country_name": "United States", "region_name": "New York", "city": "Buffalo", "time_zone": "America/New_York", "utc_offset": -14400 } }
Implementations Perl • Dancer • Mojolicious Python • Flask Erlang
• Webmachine
Perl Dependencies Dancer • Try::Tiny • Regexp::Common • DateTime • DateTime::TimeZone • JSON • Geo::IP <=
hard to automate
Perl Dependencies Mojolicious::Lite • Mojo::JSON • Try::Tiny • Regexp::Common • DateTime • DateTime::TimeZone • Geo::IP <=
hard to automate
Python Dependencies • Flask (and Werkzeug, Jinja2) • PyTZ (core python tz
support sucks) • pygeoip
Erlang Dependencies • webmachine • mochiweb • egeoip
Providers • Heroku • dotCloud • Stackato (my 45 day
trial ended) • OpenShift (Red Hat) • flexflux.com (closing) • Juju (Ubuntu)
Evaluation Criteria • Ease of deployment • Performance? • Cost?
• How "magical" Perl support is relative to other supported languages. (First class or hacked together?)
Evaluation Criteria • Ease of deployment • Performance? • Cost?
• How "magical" Perl support is relative to other supported languages. (First class or hacked together?)
Findings • Getting PSGI compliant Perl web apps (with sensible dependencies)
into PaaS environments is generally pain free. • But python is still less painful. • Erlang is a unicorn. (Some PaaS providers have alpha quality support.)
Resources https://github.com/mrallen1/perl-PaaS-Shootout https://speakerdeck.com/u/mrallen1/p/Perl- Platform-as-a-Service-Shootout Try the service: http://dancerperlpaas-mrallen1.dotcloud.com/ http://flaskperlpaas-mrallen1.dotcloud.com/ http://blazing-sky-3007.herokuapp.com
(mojo) curl -s -X POST -d'["24.24.24.24"]' URL | json_pp