config :dapp_demo,
    data_dir: System.user_home() |> Path.join(".dapp_demo"),
    port: 33223,
    eth_node: "http://localhost:8545",
    amount: 5_000 * round(1.0e18),
    price: 50 * round(1.0e18),
    app_list: "public/data/app_list.json",
    ip: "192.168.0.164",
    keystore_file: "/path/to/keystore/file",
    min_idle_device: 20