Merge pull request #4065 from deitch/volumes

docs/yaml.md

examples/addbinds.yml

examples/cadvisor.yml

examples/containerd-debug.yml

examples/dm-crypt-loop.yml

examples/dm-crypt.yml

examples/docker-for-mac.yml

examples/docker.yml

examples/getty.yml

examples/hostmount-writeable-overlay.yml

examples/influxdb-os.yml

examples/logging.yml

examples/minimal.yml

examples/node_exporter.yml

examples/openstack.yml

examples/platform-aws.yml

examples/platform-azure.yml

examples/platform-equinixmetal.yml

examples/platform-gcp.yml

examples/platform-hetzner.yml