task-definition.json

{
    "family": "firelens-example-multi-config-support",
    "taskRoleArn": "arn:aws:iam::xxxxxxxxxx:role/ecs_task_iam_role",
    "executionRoleArn": "arn:aws:iam::xxxxxxxxxx:role/ecs_task_execution_role",
    "containerDefinitions": [
        {
            "essential": true,
            "image": "public.ecr.aws/aws-observability/aws-for-fluent-bit:init-latest",
            "name": "log_router",
            "firelensConfiguration": {
                "type": "fluentbit"
            },
            "mountPoints": [
                {
                    "containerPath": "/logs/",
                    "sourceVolume": "log"
                }
            ],
            "logConfiguration": {
                "logDriver": "awslogs",
                "options": {
                    "awslogs-group": "firelens-container",
                    "awslogs-region": "us-west-2",
                    "awslogs-create-group": "true",
                    "awslogs-stream-prefix": "firelens-init"
                }
            },
            "environment": [
                {
                    "name": "aws_fluent_bit_init_s3_1",
                    "value": "arn:aws:s3:::your-bucket/tail-input.conf"
                },
                {
                    "name": "aws_fluent_bit_init_s3_2",
                    "value": "arn:aws:s3:::your-bucket/your-filter.conf"
                },
                {
                    "name": "aws_fluent_bit_init_s3_3",
                    "value": "arn:aws:s3:::your-bucket/your-parser.conf"
                },
                {
                    "name": "aws_fluent_bit_init_s3_4",
                    "value": "arn:aws:s3:::your-bucket/s3-output.conf"
                }
            ],
            "memoryReservation": 50
        },
        {
            "essential": true,
            "image": "your-app-image",
            "name": "app",
            "mountPoints": [
                {
                    "containerPath": "/logs/",
                    "sourceVolume": "log"
                }
            ],
            "logConfiguration": {
                "logDriver": "awsfirelens",
                "options": {
                    "Name": "cloudwatch",
                    "region": "us-west-2",
                    "log_group_name": "/aws/ecs/containerinsights/$(ecs_cluster)/application",
                    "auto_create_group": "true",
                    "log_stream_name": "$(ecs_task_id)",
                    "retry_limit": "2"
                }
            },
            "memoryReservation": 100
        }
    ],
    "volumes": [
        {
            "name": "log"
        }
    ]
}