taskdefinition.json

{
    "taskDefinition": {
        "containerDefinitions": [
            {
                "image": "${image}",
                "essential": true,
                "memoryReservation": 512,
                "portMappings": [
                    {
                        "containerPort": 3000,
                        "hostPort": 0
                    }
                ],
                "environment": [
                    {
                        "name": "AWS_REGION",
                        "value": "${region}"
                    },
                    {
                        "name": "CONFIG_COMMIT_HASH",
                        "value": "${config_commit_hash}"
                    },
                    {
                        "name": "DB_HOST",
                        "value": "${db_host}"
                    },
                    {
                        "name": "DB_USER",
                        "value": "${db_user}"
                    },
                    {
                        "name": "DB_PASS",
                        "value": "${db_pass}"
                    },
                    {
                        "name": "DB_NAME",
                        "value": "${db_name}"
                    }
                ],
                "logConfiguration": {
                    "logDriver": "awslogs",
                    "options": {
                        "awslogs-group": "/${environment}/app",
                        "awslogs-region": "${region}",
                        "awslogs-stream-prefix": "app-logs"
                    }
                }
            }
        ]
    }
}