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WordPress on OpenShift

WordPress is an open source, semantic, blogging and content management platform written in PHP with a MySQL backend focusing on aesthetics, web standards, and usability.

The easiest way to install this application is to use the OpenShift Instant Application. If you'd like to install it manually, follow these directions.

For additional deployment and management considerations, see Deploying WordPress on OpenShift.

For a live demo, vist blog.openshift.com :)

OpenShift Considerations

These are some special considerations you may need to keep in mind when running your application on OpenShift.

WordPress Configuration

One of the most important files in your WordPress installation is the wp-config.php file. The file is located at .openshift/config/wp-config within your project directory. This file will be copied into the root of your remote WordPress installation during deployment (each time you git push).

The wp-config.php file has been pre-configured to automatically connect to your OpenShift MySQL database, automatically set security keys, and provide helpful presets and links to further documentation. Visit editing wp-config.php for more information.

htaccess

A basic .htaccess configuration file has been included at .openshift/config/.htaccess. This file will be copied into the root of your remote WordPress installation during deployment (each time you git push). For more information about htaccess settings for WordPress, please visit htaccess.

Plugins and Themes

When you upload plugins and themes, they'll get put into your OpenShift data directory on the gear ($OPENSHIFT_DATA_DIR).

If you'd like to check these into source control, download the plugins and themes directories and then check them directly into .openshift/themes and .openshift/plugins.

Development Mode

When you develop your WordPress application on OpenShift, you can also enable the 'development' environment by setting the APPLICATION_ENV environment variable using the rhc client, like:

$ rhc env set APPLICATION_ENV=development -a <app-name>

Then, restart your application:

$ rhc app restart -a <app-name>

If you do so, OpenShift will run your application under 'development' mode. In development mode, your application will:

  • Enable WordPress debugging (sets WP_DEBUG to TRUE)
  • Show more detailed errors in browser
  • Display startup errors
  • Enable the Xdebug PECL extension
  • Enable APC stat check
  • Ignore your composer.lock file

Set the variable to 'production' and restart your app to deactivate error reporting and resume production PHP settings.

Using the development environment can help you debug problems in your application in the same way as you do when developing on your local machine. However, we strongly advise you not to run your application in this mode in production.

Security Considerations

OpenShift automatically generates unique secret keys for your deployment in wp-config.php, but you may feel more comfortable following the WordPress documentation directly.

Manual Installation

Create a php-5.4 application (you can call your application whatever you want)

rhc app create wordpress php-5.4 mysql-5.5 --from-code=https://github.com/openshift/wordpress-example

That's it, you can now checkout your application at:

https://wordpress-$yournamespace.rhcloud.com

You'll be prompted to set an admin password and name your WordPress site the first time you visit this page.