This essentially just bakes in all the dependencies and other third party tools that we need, preventing them from being downloaded on every new CI run. TravisCI does not have non-enterprise support for custom images without a lot of hassle.
CI Build Images for OVRAS
Docker images for use on CI.
Can be built with sudo docker build -t [tagname] . -f DockerfileName.
Must be uploaded to DockerHub through sudo docker push [tagname] and then used in the CI file via the image: command.