ecs_task_def.json

{ 
     "containerDefinitions": [
        { 
            "name": "datacontainer",  
            "mountPoints": [
                {
                    "sourceVolume": "volume-0", 
                    "readOnly": false, 
                    "containerPath": "/app/acmeinc-api/log/"
                }
            ], 
            "image": "<aws_account_id>.dkr.ecr.us-east-1.amazonaws.com/acmeinc-api-datavolume:latest", 
            "essential": false, 
            "portMappings": [], 
            "entryPoint": [], 
            "memory": 512, 
            "command": [], 
            "cpu": 1, 
            "volumesFrom": []
        }, 
        {
            "environment": [], 
            "name": "acmeinc-api", 
            "links": [], 
            "mountPoints": [], 
            "image": "<aws_account_id>.dkr.ecr.us-east-1.amazonaws.com/acmeinc-api:%s", 
            "essential": true, 
            "portMappings": [
                {
                    "protocol": "tcp", 
                    "containerPort": 8080, 
                    "hostPort": 8080
                }
            ], 
            "entryPoint": [], 
            "memory": 512, 
            "command": [], 
            "cpu": 1, 
            "volumesFrom": [
                {
                    "sourceContainer": "datacontainer"
                }
            ]
        }
    ],
    "volumes": [
        {
            "host": {
                "sourcePath": "/app/acmeinc-api/log/"
            }, 
            "name": "volume-0"
        }
    ]
}