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Where are the volumes located when using ECS ​​and Fargate?

I have the following setting (I deleted the non-important fields):

{
    "ECSTask": {
      "Type": "AWS::ECS::TaskDefinition",
      "Properties": {
        "ContainerDefinitions": [
          {
            "Name": "mysql",
            "Image": "mysql",
            "MountPoints": [{"SourceVolume": "mysql", "ContainerPath": "/var/lib/mysql"}]
          }
        ],
        "RequiresCompatibilities": ["FARGATE"],
        "Volumes": [{"Name": "mysql"}]
      }
    }
}

It seems to work (the container starts up correctly), but I'm not quite sure where exactly this volume is stored. I assumed that this would be the volume of EBS, but I do not see it there. I suppose this is internal to my task, but in this case - how do I access it? How can I control its limits (minimum / maximum size, etc.)? How to back up for this volume?

Thank.

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Source: https://habr.com/ru/post/1691916/

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