[

    {bouncer, [

        {ip, "::"},
        {port, 8022},
        {services, #{
            arbiter => #{
                path => <<"/v1/arbiter">>
            }
        }},
        {protocol_opts, #{
            % How much to wait for another request before closing a keepalive connection? (ms)
            request_timeout => 5000
        }},
        {transport_opts, #{
            % Maximum number of simultaneous connections. (default = 1024)
            max_connections => 8000,
            % Size of the acceptor pool. (default = 10)
            num_acceptors => 100
        }},
        % How much to wait for outstanding requests completion when asked to shut down? (ms)
        {shutdown_timeout, 1000},

        {opa, #{
            %% Endpoint of the OPA service
            endpoint => {{resolve, dns, "opa", #{pick => random}}, 8181},
            % Timeout for making request and receiving response. (ms)
            request_timeout => 1000,
            %% Pool options, see gunner_pool:pool_opts()
            pool_opts => #{
                event_handler => {bouncer_gunner_metrics_event_h, #{}},
                cleanup_interval => 1000,
                max_connection_load => 1,
                max_connection_idle_age => 2000,
                max_size => 200,
                min_size => 5,
                connection_opts => #{
                    % Which transport to use? (tcp | tls)
                    transport             => tcp,
                    % Which `gen_tcp:connect_option()`s to use? Relevant only for `tcp` transport.
                    tcp_opts              => [inet6],
                    % Which `ssl:tls_client_option()`s to use? Relevant only for `tls` transport.
                    tls_opts              => [{verify, verify_peer}],
                    % Total timeout for estabilishing a connection. (ms)
                    connect_timeout       => 1000,
                    % Timeout for domain lookup query. (ms)
                    domain_lookup_timeout => 1000
                }
            }
        }},

        {woody_event_handlers, [
            hay_woody_event_handler,
            {scoper_woody_event_handler, #{
                event_handler_opts => #{
                    formatter_opts => #{
                        max_length => 1000,
                        max_printable_string_length => 80
                    }
                }
            }}
        ]},

        {health_check, #{
            % disk    => {erl_health, disk     , ["/", 99]},
            % memory  => {erl_health, cg_memory, [99]},
            % service => {erl_health, service  , [<<"bouncer">>]}
        }}

    ]},

    {kernel, [
        {logger_level, debug},
        {logger, [
            {handler, default, logger_std_h, #{
                config => #{
                    type => {file, "/var/log/bouncer/log.json"}
                },
                formatter => {logger_logstash_formatter, #{}}
            }}
        ]}
    ]},

    {how_are_you, [
        {metrics_publishers, [
            {hay_statsd_publisher, #{
                key_prefix => <<"bouncer.">>,
                host => "localhost",
                port => 8125
            }}
        ]}
    ]},

    {scoper, [
        {storage, scoper_storage_logger}
    ]},

    {snowflake, [
        {max_backward_clock_moving, 1000}  % 1 second
        % {machine_id, hostname_hash}
    ]},

    {prometheus, [
        {collectors, [default]}
    ]}
].