scorekeep-ec2

{
    "family": "scorekeep",
    "containerDefinitions": [
         {
          "name": "scorekeep-frontend",                                                          
          "image": "038954622175.dkr.ecr.us-east-1.amazonaws.com/scorekeep-frontend",
          "cpu": 64,
          "memoryReservation": 512,
          "links": [
                  "scorekeep-api"
          ],
          "portMappings" : [
              {
                  "containerPort": 8080,
                  "hostPort": 8080
              }
          ],
          "logConfiguration": {
              "logDriver": "awslogs",
              "options": {
                  "awslogs-group": "scorekeep",
                  "awslogs-region": "us-east-1",
                  "awslogs-stream-prefix": "scorekeep/frontend"
              }
          }
         },
         {
          "name": "scorekeep-api",                                                          
          "image": "038954622175.dkr.ecr.us-east-1.amazonaws.com/scorekeep-api",
          "cpu": 192,
          "memoryReservation": 512,
          "environment": [
              { "name" : "AWS_REGION", "value" : "us-east-1" },
              { "name" : "NOTIFICATION_TOPIC", "value" : "arn:aws:sns:us-east-1:038954622175:scorekeep-notifications" }
          ],
          "logConfiguration": {
              "logDriver": "awslogs",
              "options": {
                  "awslogs-group": "scorekeep",
                  "awslogs-region": "us-east-1",
                  "awslogs-stream-prefix": "scorekeep/api"
              }
          }
         }
    ],
    "executionRoleArn": "arn:aws:iam::038954622175:role/scorekeepExecutionRole", <so I don't have these in EC2, what should I change it to if anything? 
    "taskRoleArn": "arn:aws:iam::038954622175:role/scorekeepRole"
}