docker_data_dir: /opt/docker
docker_log_driver: journald

docker_base_conf:
  data-root: /opt/docker
  log-driver: journald
  storage-driver: overlay2
  storage-opts:
    - 'overlay2.override_kernel_check=true'
docker_extra_conf: {}
# docker_extra_conf:
#   log-opts:
#     max-size: 100m
#     max-file: 5

docker_conf: "{{ docker_base_conf | combine(docker_extra_conf, recursive=True) }}"