We're trying to fix as many broken links as possible before modules move into collections.  This is the batch of broken links on docker modules.

NOTE: the link checker sometimes reports an error where a link actually works. Ignore those if you find them.

##### ISSUE TYPE
- Documentation Report

##### COMPONENT NAME
<!--- Write the short name of the rst file, module, plugin, task or feature below, use your best guess if unsure -->
docs.ansible.com

###### BROKEN LINKS
https://docs.ansible.com/ansible/devel/modules/docker_compose_module.html#docker-compose-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_image_module.html#docker-image-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_config_module.html#docker-config-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_container_info_module.html#docker-container-info-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_host_info_module.html#docker-host-info-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_image_info_module.html#docker-image-info-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_login_module.html#docker-login-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_network_module.html#docker-network-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_network_info_module.html#docker-network-info-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_node_module.html#docker-node-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_node_info_module.html#docker-node-info-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_prune_module.html#docker-prune-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_secret_module.html#docker-secret-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_swarm_module.html#docker-swarm-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_swarm_info_module.html#docker-swarm-info-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_swarm_service_module.html#docker-swarm-service-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_swarm_service_info_module.html#docker-swarm-service-info-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_volume_module.html#docker-volume-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

https://docs.ansible.com/ansible/devel/modules/docker_volume_info_module.html#docker-volume-info-module
├─BROKEN─ https://docker-py.readthedocs.io/en/stable/machine/ 

if self.format == 'auto_ignore':
            return True
        try:
            with open(self.path, 'rb') as f:
                content = f.read()
            format = crypto_utils.identify_private_key_format(content)
            return format == self._get_wanted_format()
        except Exception as dummy:
            return False
    def dump(self):
        """Serialize the object into a dictionary."""
        result = super(PrivateKeyCryptography, self).dump()
        result['type'] = self.type
        if self.type == 'ECC':
            result['curve'] = self.curve
        return result
def main():
    module = AnsibleModule(
        argument_spec=dict(
            state=dict(type='str', default='present', choices=['present', 'absent']),