{
    "server_url": "http://127.0.0.1:8080",
    "listen_addr": "0.0.0.0:8080",
    "private_key_path": "private.key",
    "derp_map_path": "derp.yaml",
    "ephemeral_node_inactivity_timeout": "30m",
    "db_type": "sqlite3",
    "db_path": "db.sqlite",
    "tls_letsencrypt_hostname": "",
    "tls_letsencrypt_listen": ":http",
    "tls_letsencrypt_cache_dir": ".cache",
    "tls_letsencrypt_challenge_type": "HTTP-01",
    "tls_cert_path": "",
    "tls_key_path": "",
    "acl_policy_path": ""
}