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This page documents the process of using Phusion Passenger to deploy an example Ruby on Rails application on Bytemark Symbiosis.
We’re going to use the standard passenger example application. To get started, you’ll need to install both passenger & git.
Login to your Symbiosis server over ssh as the
admin user and install passenger and git. This should automatically enable the Apache module, and restart the webserver.
$ sudo apt-get install libapache2-mod-passenger git
The sample application also has a few additional dependencies. Note that this may vary for other applications.
$ sudo apt-get install ruby-dev bundler \ libxml2-dev zlib1g-dev libsqlite3-dev nodejs
Now that we’ve installed passenger, you need to use
git to clone the sample
application code to your server. Symbiosis uses directories to configure
domains, websites & email (virtual hosts). Directories for each of your domains
can be created under the
/srv directory and Symbiosis will automatically
configure them as per documentation.
Pick a hostname beneath which to run your example app, e.g.
app.my-brilliant-site.com, and create the directory.
$ mkdir /srv/app.my-brilliant-site.com/ $ cd /srv/app.my-brilliant-site.com/
The application code should be checked out into the
public directory. If this directoy already exists, you should (re)move it first.
$ git clone https://github.com/phusion/passenger-ruby-app-demo.git public $ cd /srv/app.my-brilliant-site.com/public
This particular application uses the end_result branch for the passenger-enabled code.
$ git checkout end_result
/srv/app.my-brilliant-site.com/public directory, there is another
public directory where rails keeps its static assets such as images. We need to symlink this to
htdocs for the application to work.
$ ln -s public htdocs
Once that’s done, you need to ensure that the required gems have been installed:
$ bundler install --path vendor/bundle
Finally generate session secrets, and keep them in the
$ echo "SetEnv SECRET_KEY_BASE $(./bin/rake secret)" > .htaccess
At that point you should be complete, and you can open the sample-site in your browser, i.e., http://app.my-brilliant-site.com/.
If all is well you’ll see a response that contains “Hello world”.