Capistrano

Installation

Add this line to your application's Gemfile:

gem 'capistrano', github: 'capistrano/capistrano', branch: :v3

And then execute:

$ bundle --binstubs

Capify:

$ cap install

This creates the following files:

├── Capfile
├── config
│   ├── deploy
│   │   ├── production.rb
│   │   └── staging.rb
│   └── deploy.rb
└── lib
    └── capistrano
            └── tasks

To create different stages:

$ cap install STAGES=local,sandbox,qa,production

Usage

$ cap -vT

$ cap staging deploy
$ cap production deploy

$ cap production deploy --dry-run
$ cap production deploy --prereqs
$ cap production deploy --trace

Tasks

Before / After

Where calling on the same task name, executed in order of inclusion

# call an existing task
before :starting, :ensure_user

after :finishing, :notify


# or define in block
before :starting, :ensure_user do
  #
end

after :finishing, :notify do
  #
end

Console

Execute arbitrary remote commands, to use this simply add require 'capistrano/console' which will add the necessary tasks to your environment:

$ cap staging console

Configuration

SSHKit