namespace :docker do
desc 'Log in to the CI docker registry' task :login do return unless fetch(:docker_registry, nil) on roles(:app), in: :parallel do execute 'echo', redact(fetch(:docker_registry_password).dup), '|', 'docker', 'login', '-u', fetch(:docker_registry_user), '--password-stdin', fetch(:docker_registry) end end desc 'Pull the docker image' task :pull do on roles(:app), in: :parallel do execute 'docker', 'pull', "#{fetch(:docker_registry_image)}:#{fetch(:docker_image_tag)}" end end
end