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Martin Zackrisson edited this page Jan 30, 2018 · 48 revisions

NOTE: The Wiki is under heavy development at the moment (June 2016). Some information may be incorrect or incomplete, so my apologies if you don't find what you're looking for. I'll have a communication group setup soon.

Welcome to the Ludum Dare/Jammer Core Development Wiki.

Jammer Core (formerly Starship Core) is the center of the new Ludum Dare and Jammer family of websites. At that core are Jammer Accounts, which are presented in a variety of ways on the different services.

NOTE: This Wiki is about the development of these websites and services. If you are a participant in a Ludum Dare, or a game jam hosted by us, you should refer to the official website instead:

Technologies Used

  • HTML5 and JavaScript
  • CSS (*)
  • PHP 7 with APCu
  • MariaDB 10
  • OpenLiteSpeed
  • ImageMagick and FFmpeg (*)
  • Vagrant, VirtualBox, Scotch/Box (See DairyBox)
  • Ubuntu

Getting Started

The parts of the system

Web Services

Primary and Core Services

NOTE: While in development, is hosted on

Internal Services

NOTE: has these same services available. has only api.

Static Files

In contrast to the internal services, static files are stored on a separate domain. This is to avoid extra cookies being sent with every request.


For debugging, once you've started DairyBox on your local machine, you can access the local website using these alternative domain names, no /etc/hosts file changes required:


  • =
  • =
  • =
  • =
  • =
  • =

Ludum Dare

  • =
  • =
  • =
  • =

NOTE: These will only work on the local machine. They will not work with other devices on your local network. They map to, the same IP address as your virtual machine running on your local machine.

To test using mobile devices, see Testing on Mobile.


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