Using ARM-based instances?
Use ARM log router image: betterstack/aws-ecs-fluent-bit:arm64-latest.
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Better Stack Amazon ECS logging
Start logging in 5 minutes
Send logs to Better Stack from your AWS ECS cluster using FireLens and Fluent Bit.
Set up log forwarding
Add Fluent Bit sidecar to your ECS task.
- Log into the AWS Console and search
Elastic Container Service. - Click
Task definitionsin the sidebar. - Select your task definition and revision.
- Click
Create a new revision with JSONbutton. - Add Fluent Bit log router container to your task definition:
Task definition
{
"family": "your_ecs_task",
"containerDefinitions": [
{
"name": "your_app",
... Put your ECS app configuration here
"essential": true,
"logConfiguration": {
"logDriver": "awsfirelens"
}
},
{
"name": "log_router",
"image": "betterstack/aws-ecs-fluent-bit:amd64-latest",
"cpu": 256,
"memory": 512,
"memoryReservation": 50,
"essential": true,
"environment": [
{
"name": "LOGTAIL_SOURCE_TOKEN",
"value": "$SOURCE_TOKEN"
}
],
"firelensConfiguration": {
"type": "fluentbit",
"options": {
"config-file-type": "file",
"config-file-value": "/fluent-bit-logtail.conf",
"enable-ecs-log-metadata": "true"
}
}
}
],
"networkMode": "host",
... Put your ECS task configuration here
}
Deploy your task and you should see your logs in Better Stack → Live tail.
Need help?
Please let us know at hello@betterstack.com.
We're happy to help! 🙏
Additional information
Want to read about ECS logging and FireLens configuration in more detail?
Check out the Amazon ECS Custom log routing docs page.