Set task tags

[aiordache]

Add project and service name to task tags and container docker labels.

Before

 },
    "TestTaskDefinition": {
      "Properties": {
        "ContainerDefinitions": [
          {
            "Environment": [
         ....
        "RequiresCompatibilities": [
          "FARGATE"
        ]
      },
      "Type": "AWS::ECS::TaskDefinition"
    },

After

"DemoTaskDefinition": {
      "Properties": {
        "ContainerDefinitions": [
          {
            "DockerLabels": {
              "com.docker.compose.project": "test",
              "com.docker.compose.service": "demo"
            },
            "Environment": [
        ....
        "RequiresCompatibilities": [
          "FARGATE"
        ],
        "Tags": [
          {
            "Key": "com.docker.compose.project",
            "Value": "test"
          },
          {
            "Key": "com.docker.compose.service",
            "Value": "demo"
          }
        ]
      },
      "Type": "AWS::ECS::TaskDefinition"
    },

closes https://github.com/docker/ecs-plugin/issues/188

[chris-crone]

LGTM

[ndeloof]

this will create docker engine labels, not available on AWS API
You should have set service.PropagateTags
see https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ecs-service.html#cfn-ecs-service-propagatetags