deploy.rb

# config valid only for Capistrano 3.1
lock '3.2.1'

# APPLICATION
set :application, '<application_name>'
set :repo_url, '<repo>'

# GIT
set :deploy_to, '<deploy_to>'
set :deploy_via, :remote_cache
set :scm, :git

# SETTINGS
set :linked_files, %w{<linkd_files>}
set :linked_dirs, %w{<linked_folders>}
set :keep_releases, 5
set :copy_exclude, [".git", ".gitignore", ".tags"]

namespace :deploy do

    # create task before for "System under maintenace"
    # cap deploy:web:disable   # Present a maintenance page to visitors.
    # cap deploy:web:enable    # Makes the application web-accessible again.

    desc 'Setup linked files'
    task :touch do
        on roles(:web) do
            within shared_path do
                fetch(:linked_files, []).each do |file|
                    if !(File.exist?(shared_path.to_s + '/' + file))
                        info shared_path.to_s + '/' + file + ' = ' + File.exist?(shared_path.to_s + '/' + file).to_s
                        execute :touch, shared_path.to_s + '/' + file
                    end
                end
            end
        end
    end

    desc 'Install composer dependencies'
    task :composer_install do
        on roles(:web) do
            within release_path do
                execute 'composer', 'install', '--no-dev', '--optimize-autoloader'
            end
        end
    end

    desc 'Setup Laravel folder permissions'
    task :permissions do
        on roles(:web), in: :sequence, wait: 5 do
            within release_path  do
                execute :chmod, "-R 777 app/storage/cache"
                execute :chmod, "-R 777 app/storage/logs"
                execute :chmod, "-R 777 app/storage/meta"
                execute :chmod, "-R 777 app/storage/sessions"
                execute :chmod, "-R 777 app/storage/views"
            end
        end
    end  

    before 'deploy:check:linked_files', 'deploy:touch'
    after :updated, 'deploy:composer_install'
    after :published, 'deploy:permissions'

end