computer-playbook/roles/sys-svc-letsencrypt/templates/ssl_credentials.j2

ssl_certificate         {{ [ LETSENCRYPT_LIVE_PATH, ssl_cert_folder, 'fullchain.pem'] | path_join }};
ssl_certificate_key     {{ [ LETSENCRYPT_LIVE_PATH, ssl_cert_folder, 'privkey.pem'  ] | path_join }};
ssl_trusted_certificate {{ [ LETSENCRYPT_LIVE_PATH, ssl_cert_folder, 'chain.pem'    ] | path_join }};