To build this project you will need the JDK 1.8 and maven 3.3. Thanks to maven all the code dependencies will be automatically downloaded.
Go to the same folder where the pom.xml file is and type:
mvn package
This command will download the dependencies, compile the code and create a war package, orchestrator.war, which will be put inside the docker folder.
After the previous step, you can build the Docker image of the Orchestrator with the command:
docker build -t indigodatacloud/orchestrator docker/