Make sure you have the Atlassian Dev environment and SDK installed (https://developer.atlassian.com/docs/getting-started/set-up-the-atlassian-plugin-sdk-and-build-a-project)
To build the plugin run:
atlas-package
To run a local instance of Bamboo with the plugin, run:
atlas-run
To run the plugin with debug mode, run:
atlas-debug
atlas-release
Build the jar and upload it to the atlassian marketplace.