Docker Swarm Services

class ServiceCollection:
    def create(self, image, **kwargs):
        """
        Create a Docker service.
        
        Args:
            image (str): Image name for service
            **kwargs: Service configuration options
            
        Returns:
            Service: Created service instance
            
        Common kwargs:
            command (list): Command to execute
            args (list): Command arguments
            constraints (list): Placement constraints
            preferences (list): Placement preferences
            platforms (list): Platform constraints
            name (str): Service name
            labels (dict): Service labels
            mode (dict): Service mode (replicated/global)
            update_config (dict): Update configuration
            rollback_config (dict): Rollback configuration
            networks (list): Networks to attach
            endpoint_spec (dict): Endpoint configuration
            resources (dict): Resource requirements
            restart_policy (dict): Restart policy
            log_driver (dict): Logging configuration
        """

    def get(self, service_id):
        """
        Get a service by ID or name.
        
        Args:
            service_id (str): Service ID or name
            
        Returns:
            Service: Service instance
        """

    def list(self, filters=None):
        """
        List services.
        
        Args:
            filters (dict): Filter results by id, name, label, mode
            
        Returns:
            list[Service]: List of service instances
        """

class Service:
    """
    A Docker service instance.
    
    Properties:
        id (str): Service ID
        name (str): Service name
        attrs (dict): Raw service attributes
    """

    def logs(self, **kwargs):
        """
        Get service logs.
        
        Args:
            **kwargs: Log options (details, follow, stdout, stderr, since, timestamps, tail)
            
        Returns:
            generator: Service log entries
        """

    def remove(self):
        """Remove the service."""

    def scale(self, replicas):
        """
        Scale the service.
        
        Args:
            replicas (int): Target number of replicas
        """

    def update(self, **kwargs):
        """
        Update service configuration.
        
        Args:
            **kwargs: Service update options (image, command, args, etc.)
        """

import docker

client = docker.from_env()

# Create service with constraints
service = client.services.create(
    image='nginx:latest',
    name='web-service',
    mode={'Replicated': {'Replicas': 3}},
    constraints=['node.role == worker'],
    networks=['my-overlay-network'],
    endpoint_spec={'Ports': [{'TargetPort': 80, 'PublishedPort': 8080}]}
)

# Scale service
service.scale(5)

# Update service image
service.update(image='nginx:1.21')