PlacementConstraint
import type { PlacementConstraint } from "https://aws-api.deno.dev/v0.4/services/ecs.ts?docs=full";
An object representing a constraint on task placement. For more information, see Task placement constraints in the Amazon Elastic Container Service Developer Guide.
Note: If you're using the Fargate launch type, task placement constraints aren't supported.
§Properties
A cluster query language expression to apply to the constraint.
The expression can have a maximum length of 2000 characters.
You can't specify an expression if the constraint type is distinctInstance
.
For more information, see Cluster query language in the Amazon Elastic Container Service Developer Guide.
The type of constraint.
Use distinctInstance
to ensure that each task in a particular group is running on a different container instance.
Use memberOf
to restrict the selection to a group of valid candidates.