Security Hub Issue

To resolve this Security Hub finding "[ECS.5] ECS containers should be limited to read-only access to root filesystems", set the parameter "readonlyRootFilesystem" to "false" in the ECSTaskDefinition.

1. Select a task definition that has container definitions that need to be updated. For each, complete the following steps:
2. From the drop down, choose Create new revision with JSON.
3. Add the readonlyRootFilesystem parameter, and set it to **true **in the container definition within the task definition.
4. Choose Create.

https://docs.aws.amazon.com/securityhub/latest/userguide/ecs-controls.html#ecs-5 https://docs.aws.amazon.com/config/latest/developerguide/ecs-containers-readonly-access.html