Capistrano Production deploy by Tag

gistfile1.rb

role :app, %w{[email protected]}
role :app, %w{[email protected]}
role :app, %w{[email protected]}

set :deploy_to, '/home/user/wp'

server '0.0.0.0', user: 'user', roles: %w{web app}

set :branch do
    default_tag = `git tag`.split("\n").last

    tag = Capistrano::CLI.ui.ask "Tag to deploy (make sure to push the tag first): [#{default_tag}] "
    tag = default_tag if tag.empty?
    tag
  end

server '0.0.0.0',
   user: 'user',
   roles: %w{web app},
   ssh_options: {
     user: 'user', # overrides user setting above
     keys: %w(~/.ssh/id_rsa),
     forward_agent: true,
     auth_methods: %w(publickey password)
     # password: 'please use keys'
   }