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getting_started.md

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Setting up a project

Let's deploy a project using Mina.

Step 0: Configure server

Your server needs to be properly configured for mina to work. Requirements for mina 1.0 to work:

  • SSH public/private key pair set up
  • deploy user to have access to folders where you want to install the application
  • installed git
  • installed ruby (some ruby manager recommended rbenv/rvm/chruby)
  • installed bundler

Step 1: Create a config/deploy.rb

In your project, type mina init to create a sample of this file.

$ mina init
Created config/deploy.rb.

This is just a Rake file with tasks! See How to write your own tasks for more info on what deploy.rb is. You will want to at least configure your server:

# config/deploy.rb
set :user, 'username'
set :domain, 'your.server.com'
set :deploy_to, '/var/www/flipstack.com'
...

Notes: You may be using a ruby versioning tool (rbenv or RVM) to manage ruby and gems. If you are using one of them, don't forget to uncomment these settings:

...
require 'mina/bundler'
require 'mina/rails'
require 'mina/git'
# require 'mina/rbenv'  # for rbenv support. (http://rbenv.org)
# require 'mina/rvm'    # for rvm support. (http://rvm.io)
...

...
task :environment do
  # If you're using rbenv, use this to load the rbenv environment.
  # Be sure to commit your .ruby-version or .rbenv-version to your repository.
  # invoke :'rbenv:load'

  # For those using RVM, use this to load an RVM version@gemset.
  # invoke :'rvm:use', 'ruby-1.9.3-p125@default'
end
...

Step 2: Run 'mina setup'

Back at your computer, do mina setup to set up the folder structure in deploy_to path. This will connect to your server via SSH and create the right directories.

$ mina setup
-----> Creating folders... done.

Step 3: Deploy!

Use mina deploy to run the deploy task defined in config/deploy.rb.

$ mina deploy
-----> Deploying to 2012-06-12-040248
       ...
       Lots of things happening...
       ...
-----> Done.

Step 4: Considerations after first deploy

If you changed shared_files and shared_dirs in your deploy.rb you have to run mina setup again. This ensures all needed folders are created.