Melissa is a simple tool that can help in building development and runtime images in a continous integration environment. It is being used extensively to create daily builds for Smalltalk images. This post describes the steps to use Melissa for VA Smalltalk 8+. The intended way to use Melissa is to start with a clean VA image, load the Melissa config app and save it as melissa.im. In order to tell Melissa what to build, you need to start that image passing the command line parameter “-melissa buildscript.