Fala Lucas, obrigado pelas dicas, eu fiz tudo que me passou porém, ainda continuo com o mesmo erro : (,
esse é a definição da tarefa:
{
    "family": "familia-tarefa-reverselog2",
    "containerDefinitions": [
        {
            "name": "container-reverselog",
            "image": "637423347486.dkr.ecr.us-east-1.amazonaws.com/reverselog:latest",
            "cpu": 0,
            "portMappings": [
                {
                    "name": "container-reverselog-80-tcp",
                    "containerPort": 80,
                    "hostPort": 8080,
                    "protocol": "tcp",
                    "appProtocol": "http"
                }
            ],
            "essential": true,
            "environment": [
                {
                    "name": "DB_HOST",
                    "value": "database-reverselog.c3cao8me4xpt.us-east-1.rds.amazonaws.com"
                },
                {
                    "name": "DB_USERS",
                    "value": "root"
                },
                {
                    "name": "DB_PASSWORD",
                    "value": "Oliveirawiia3656"
                }
            ],
            "environmentFiles": [],
            "mountPoints": [],
            "volumesFrom": [],
            "ulimits": [],
            "logConfiguration": {
                "logDriver": "awslogs",
                "options": {
                    "awslogs-group": "/ecs/familia-tarefa-reverselog2",
                    "mode": "non-blocking",
                    "awslogs-create-group": "true",
                    "max-buffer-size": "25m",
                    "awslogs-region": "us-east-1",
                    "awslogs-stream-prefix": "ecs"
                },
                "secretOptions": []
            },
            "systemControls": []
        }
    ],
    "taskRoleArn": "arn:aws:iam::637423347486:role/ecsTaskExecutionRole",
    "executionRoleArn": "arn:aws:iam::637423347486:role/ecsTaskExecutionRole",
    "networkMode": "bridge",
    "requiresCompatibilities": [
        "EC2"
    ],
    "cpu": "1024",
    "memory": "3072",
    "runtimePlatform": {
        "cpuArchitecture": "X86_64",
        "operatingSystemFamily": "LINUX"
    }
}