Rake Build Image

rake.rb

task :build_image do
    name = ENV['IMAGE_NAME'] || raise('You must specify an IMAGE_NAME')
    tag = ENV['GO_PIPELINE_LABEL'] || raise('No label specified')
    docker_hub_user_or_registry = ENV['DOCKER_REGISTRY'] || ENV['DOCKER_HUB_USER'] || raise('No registry or docker hub user specified')
    docker_file_location = ENV['DOCKER_FILE_LOCATION'] || "."

    full_image_id = "#{docker_hub_user_or_registry}/#{name}:#{tag}"
    
    Dir.chdir("../../#{docker_file_location}")

    sh "sudo docker build -t #{full_image_id} ."

    sh "sudo docker push #{full_image_id}"
end