AWS ECS & Fargate
Run containerized applications on Amazon ECS with Fargate.
Task Definition
json
{
"family": "myapp",
"networkMode": "awsvpc",
"requiresCompatibilities": ["FARGATE"],
"cpu": "256",
"memory": "512",
"executionRoleArn": "arn:aws:iam::xxx:role/ecsTaskExecutionRole",
"containerDefinitions": [{
"name": "myapp",
"image": "xxx.dkr.ecr.region.amazonaws.com/myapp:latest",
"portMappings": [{
"containerPort": 8080,
"protocol": "tcp"
}],
"logConfiguration": {
"logDriver": "awslogs",
"options": {
"awslogs-group": "/ecs/myapp",
"awslogs-region": "us-east-1",
"awslogs-stream-prefix": "ecs"
}
}
}]
}
Create Service
bash
aws ecs create-service \
--cluster my-cluster \
--service-name myapp \
--task-definition myapp:1 \
--desired-count 2 \
--launch-type FARGATE \
--network-configuration '{
"awsvpcConfiguration": {
"subnets": ["subnet-xxx"],
"securityGroups": ["sg-xxx"],
"assignPublicIp": "ENABLED"
}
}' \
--load-balancers '[{
"targetGroupArn": "arn:aws:elasticloadbalancing:...",
"containerName": "myapp",
"containerPort": 8080
}]'
Deployment
bash
# Update service aws ecs update-service \ --cluster my-cluster \ --service myapp \ --task-definition myapp:2 \ --force-new-deployment
Best Practices
- •Use ECR for images
- •Implement service discovery
- •Configure health checks
- •Use secrets manager for secrets
- •Enable container insights
Related Skills
- •docker-management - Container basics
- •container-registries - ECR