class WcoHosting::Serverhost

def add_docker_service app
  @obj = app
  Wco::Log.puts! nil, '#add_docker_service', obj: @obj
  ac   = ActionController::Base.new
  ac.instance_variable_set( :@app, app )
  ac.instance_variable_set( :@workdir, WORKDIR )
  # rendered_str = ac.render_to_string("wco_hosting/docker-compose/dc-#{app.tmpl.kind}")
  rendered_str = ac.render_to_string("wco_hosting/docker-compose/dc-any")
  Wco::Log.puts! rendered_str, 'add_docker_service rendered_str', obj: @obj
  file = Tempfile.new('prefix')
  file.write rendered_str
  file.close
  # puts! file.path, 'file.path'
  cmd = "scp #{file.path} #{ssh_host}:#{WORKDIR}/dc-#{app.service_name}.yml "
  do_exec cmd
  cmd = "ssh #{ssh_host} 'cd #{WORKDIR} ; \
    docker compose -f dc-#{app.service_name}.yml up -d #{app.service_name} ; \
    echo ok #add_docker_service ' "
  do_exec cmd
end