Capistrano

A remote server automation and deployment tool that extends Rake, using the Rake DSL. Supports scripting and execution of arbitrary tasks. Used for automating prepartion for starting Ruby app in its application server:

• Uploading Ruby app's code and files to server machine
• installing libraries, gems, dependencies
• setting up/migrating database
• starting and stopping daemons that app might reply on

Useful in combination with application servers, as it automates many tasks.

$ cd my-capistrano-enabled-project
$ cap production deploy

Features

• other deployment tools are rsync bash scripts, or complex containerized toolchains
• Capistrano automates manual SSH tasks, it simply runs SSH commands on a remote server
• it has well defined conventions
• highly concurrent

Installation

Requires ruby >=2.0, git, Bundler, provisioned server (with SCM binaries, git). Then in Gemfile:

group :development do
  gem "capistrano", "~> 3.4"
end