With the host and awsvpc network modes, exposed container portsĪre mapped directly to the corresponding host port (for the host network mode) Highest networking performance for containers because they use the Amazon EC2 network stack. The host and awsvpc network modes offer the
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The built-in virtual network on Windows uses the nat Docker network driver. If the network mode is default, the task usesĭocker's built-in virtual network on Windows, which runs inside each Amazon EC2 instance that hosts the task. Task networking for tasks that are hosted on Amazon EC2Īmazon ECS-optimized AMI, other Amazon Linux variants with the ecs-init package, orĪWS Fargate infrastructure support the awsvpc network mode. You create a service or run a task with the task definition. If the network mode is awsvpc, the task is allocated anĮlastic network interface, and you must specify a NetworkConfiguration when As a security best practice, always use a
Using the root user (UID 0) for better security. When running tasks that use the host network mode, do not run containers As a result, you can’t run multiple tasks of the same task definition A port number on a host can’t be used by multiple In a task definition that uses this mode must specify a specific Dynamic port mappings can’t be used in this network mode. The host's network which bypasses Docker's built-in virtual networkīy mapping container ports directly to the ENI of the Amazon EC2 instance that hosts If the network mode is host, the task uses
The built-in virtual network on Linux uses the bridge Docker If the network mode is bridge, the task usesĭocker's built-in virtual network on Linux, which runs inside each Amazon EC2 If the network mode is set to none, the task's containersĭon't have external connectivity and port mappings can't be specified in the container For Amazon ECS tasks hosted on Amazon EC2 Windows instances, the valid valuesĪre default, and awsvpc. If no network mode is specified, the default network mode isīridge. For Amazon ECS tasks that are hosted on Amazon EC2 Linux instances, the valid values are The Docker networking mode to use for the containers in the task.
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