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Feel free to change or remove this file, it is informational only.
Repo layout
===========
tmp/ - Temporary storage
public/ - Content (images, css, etc. available to the public)
config.ru - This file is used by Rack-based servers to start the application.
../data - For persistent data
.openshift/action_hooks/pre_build - Script that gets run every git push before the build
.openshift/action_hooks/build - Script that gets run every git push as part of the build process (on the CI system if available)
.openshift/action_hooks/deploy - Script that gets run every git push after build but before the app is restarted
.openshift/action_hooks/post_deploy - Script that gets run every git push after the app is restarted
Environment Variables
=====================
OpenShift provides several environment variables to reference for ease
of use. The following list are some common variables but far from exhaustive:
ENV['OPENSHIFT_APP_NAME'] - Application name
ENV['OPENSHIFT_DATA_DIR'] - For persistent storage (between pushes)
ENV['OPENSHIFT_TMP_DIR'] - Temp storage (unmodified files deleted after 10 days)
When embedding a database using 'rhc cartridge add', you can reference environment
variables for username, host and password:
If you embed MySQL, then:
ENV['OPENSHIFT_MYSQL_DB_HOST'] - DB host
ENV['OPENSHIFT_MYSQL_DB_PORT'] - DB Port
ENV['OPENSHIFT_MYSQL_DB_USERNAME'] - DB Username
ENV['OPENSHIFT_MYSQL_DB_PASSWORD'] - DB Password
To get a full list of environment variables, simply add a line in your
.openshift/action_hooks/build script that says "export" and push.
Notes about layout
==================
Every time you push, everything in your remote application path gets recreated
please store long term items (like an sqlite database) in ../data which will
persist between pushes of your repo.
Rails 3.0
===========
Option 1) (Recommended) Git push your application Gemfile/Gemfile.lock. This will
cause the remote OpenShift node to run bundle install --deployment to download and
install your dependencies. Each subsequent git push will use the previously
downloaded dependencies as a starting point, so additional downloads will be a delta.
Option 2) Git add your .bundle and vendor/bundle directories after running
'bundle install --deployment' locally. Be sure to exclude any gems that have native
code or ensure they can run on RHEL x86_64.