get_task_def_exposed_port.py

    def get_task_def_exposed_port(self, task_definition_arn:str, container_name:str):
        # Here we build our cache - there is no need to call the API everytime as we don't push every minute
        if self.task_definition_port_reference.get(task_definition_arn) is None:
            self.task_definition_port_reference[task_definition_arn] = {}
        if self.task_definition_port_reference[task_definition_arn].get(container_name) is None:
            logger.info(f'{task_definition_arn=} not referenced for {container_name=}, using describe_task_definition api')
            response = self.ecs_client.describe_task_definition(
                taskDefinition=task_definition_arn
            )['taskDefinition']
            for container_definition in response.get('containerDefinitions'):
                if container_definition.get('name') == container_name:
                    self.task_definition_port_reference[task_definition_arn][container_name] = container_definition['portMappings'][0].get('hostPort')
        
        return self.task_definition_port_reference[task_definition_arn].get(container_name)