cc-backend/utils/systemd/config.json

{
    "addr":            "0.0.0.0:443",
    "https-cert-file": "/etc/letsencrypt/live/<...>/fullchain.pem",
    "https-key-file":  "/etc/letsencrypt/live/<...>/privkey.pem",
    "db-driver":       "mysql",
    "db":              "clustercockpit:password@/cc_backend",
    "user":            "clustercockpit",
    "group":           "clustercockpit"
}