{
  "listen_on":"127.0.0.1:{{ item['port'] }}",
  "environment": "{{ item['mode'] | default('production') }}",
  "database_url": "postgres://{{ item['dbuser'] }}:{{ item['dbpass'] }}@{{ item['dbhost'] }}:{{ item['dbport'] | default('5432') }}/{{ item['dbname'] }}"
}