changed container field description

prefect_aws/workers/ecs_worker.py

@@ -456,9 +456,10 @@ class ECSVariables(BaseVariables):
         title="CPU",
         default=None,
         description=(
-            "The amount of CPU to provide to the Prefect container. Valid amounts are "
-            "specified in the AWS documentation. If not provided, a default value of "
-            f"{ECS_DEFAULT_CPU} will be used unless present on the task definition."
+            "The amount of CPU to provide to the Prefect container. Valid amounts are"
+            " specified in the AWS documentation. If not provided, the value supplied"
+            " to `cpu` for the task will be used. If neither are provided,"
+            f" {ECS_DEFAULT_CPU} will be used unless present on the task definition."
         ),
     )
     container_memory: int = Field(
@@ -467,17 +468,22 @@ class ECSVariables(BaseVariables):
             "The amount of memory to provide to the Prefect container. Valid amounts"
             " are specified in the AWS documentation. If not provided, a default value"
             f" of {ECS_DEFAULT_MEMORY} will be used unless present on the task"
-            " definition."
+            " definition. Only use these variables when your ECS tasks have multiple"
+            " containers. The total CPU and memory for all of a task's containers"
+            " cannot exceed the CPU and memory set for the task."
         ),
     )
 
     container_name: str = Field(
         default=None,
         description=(
-            "The name of the container flow run orchestration will occur in. If not "
-            f"specified, a default value of {ECS_DEFAULT_CONTAINER_NAME} will be used "
-            "and if that is not found in the task definition the first container will "
-            "be used."
+            "The amount of memory to provide to the Prefect container. Valid amounts"
+            " are specified in the AWS documentation. If not provided, the value"
+            " supplied to `cpu` for the task will be used. If neither are provided,"
+            f" {ECS_DEFAULT_CPU} will be used unless present on the task definition."
+            " Only use these variables when your ECS tasks have multiple containers."
+            " The total CPU and memory for all of a task's containers cannot exceed"
+            " the CPU and memory set for the task."
         ),
     )
     task_role_arn: str = Field(

tests/workers/test_ecs_worker.py

@@ -522,7 +522,7 @@ async def test_launch_types(
 @pytest.mark.parametrize(
     "cpu,memory", [(None, None), (1024, None), (None, 2048), (2048, 4096)]
 )
-@pytest.mark.parametrize("container_cpu,container_memory", [(1024, 2048)])
+@pytest.mark.parametrize("container_cpu,container_memory", [(None, None), (1024, 2048)])
 async def test_cpu_and_memory(
     aws_credentials: AwsCredentials,
     launch_type: str,