{
    "enabled": true,
    "inactive_time": "60m",
    "levels": "1:2",
    "logging": false,
    "proxy_cache_background_update": "on",
    "proxy_cache_lock": "off",
    "proxy_cache_min_uses": 1,
    "proxy_cache_revalidate": "on",
    "proxy_cache_use_stale": "error timeout http_429 http_500 http_502 http_503 http_504",
    "proxy_cache_valid": {
        "200": "60m",
        "404": "1m"
    },
    "x_cache_header": false,
    "zone_size": "10m"
}