plack sample

app.psgi

use Plack::Builder;

my $app = sub {
    return [ 200, [ 'Content-Type' => 'text/plain' ], [ 'Hello World' ] ];
};

builder {
    enable "ServerStatus::Lite", path => '/server-status', allow => ['127.0.0.1'], scoreboard => '/dev/shm/server-status', counter_file => '/tmp/counter_file';
    $app;
};

cpanfile

requires 'Plack';
requires 'Plack::Middleware::ServerStatus::Lite';

carton exec -- plackup --port 8000 app.psgi

$ curl 'http://localhost:8000/server-status?json'; echo
{"Uptime":"1412598669","BusyWorkers":"1","TotalAccesses":"4","TotalKbytes":"1","IdleWorkers":"0","stats":[{"method":"GET","pid":10260,"protocol":"HTTP/1.1","remote_addr":"127.0.0.1","uri":"/server-status?json","ss":0,"host":"localhost:8000","status":"A"}]}