// Builds a docker container. This requires the kaniko container to be included using agentsetup
//
// Mandatory arguments:
// - context: the relative path in the source repository to the directory where the docker file is located
// - container: the name of the container to build
//
// Optional arguments:
// - cache: Whether to use the cache for building containers. Defaults to true
// - dockerfile: Name of the docker file in the context directory. Defaults to Dockerfile
// - repo: Repository to publish container to. Defaults to the CONTAINER_REGISTRY environment variable
// - version: Container version to build. Default to the value of the BRANCH_NAME variable 
//
def call(Map args) { 
  def defaults = [ 
    cache: true, 
    cachettl: "100000h",
    dockerfile: 'Dockerfile', 
    repo: env.CONTAINER_REGISTRY,
    version: env.BRANCH_NAME
  ]
  args = defaults << args
  container('kaniko') { 
    sh """
      echo "Building container with settings: ${args}"
      /kaniko/executor --dockerfile ${args.dockerfile} --cache=${args.cache} --cache-ttl=${args.cachettl} --context \$(  pwd )/${args.context} --destination ${args.repo}/${args.container}:${args.version}
    """
  }
}