---
# user to add to docker group
docker_user: "{{ ansible_user }}"

# version that should be installed

docker_version: 17.04.0

# service related parameters

docker_listen_on_loopback: no

# registry related parameters

docker_registry: quay.io
docker_registry_password: ""
docker_registry_username: ""

# storage driver related parameters

docker_configure_storage_driver: no
docker_storage_driver: overlay
docker_storage_block_device: ""
docker_storage_filesystem: ext4

# proxy related parameters

docker_configure_proxy: no
docker_proxy_http: "http://proxy.tld:8080"
docker_proxy_https: "{{ docker_proxy_http }}"
docker_proxy_no_proxy:
  - localhost
  - 127.0.0.1

# CI parameters

docker_run_tests: no

---
# user to add to docker group
docker_user: "{{ ansible_user }}"

# version that should be installed

docker_version: 17.04.0

# service related parameters

docker_listen_on_loopback: no

# registry related parameters

docker_registry: registry.hub.docker.com
docker_registry_password: ""
docker_registry_username: ""

# storage driver related parameters

docker_configure_storage_driver: no
docker_storage_driver: overlay
docker_storage_block_device: ""
docker_storage_filesystem: ext4

# proxy related parameters

docker_configure_proxy: no
docker_proxy_http: "http://proxy.tld:8080"
docker_proxy_https: "{{ docker_proxy_http }}"
docker_proxy_no_proxy:
  - localhost
  - 127.0.0.1

# CI parameters

docker_run_tests: no

Change default registry to docker hub
Change default registry to docker hub
