---

backend: "{{ (backend_port is defined) | ternary(backend_port, backend_socket) }}"
backend_full: "{{ (backend_type == 'port') | ternary('localhost', 'unix') }}:{{ backend }}"
backend_type: "{{ (backend_port is defined) | ternary('port', 'socket') }}"
upstream_name: "{{ (backend_type == 'port') | ternary('localhost' + backend, backend | basename) }}"
keep_alive: 32