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Showing posts with the label AWS Professional Certification Preparation

AWS Compute Services

  Containers A task is a logical group of running containers.  Previously, tasks running on  Amazon ECS  shared the elastic network interface of their EC2 host.  Now, the new  awsvpc  networking mode lets you attach an elastic network interface directly to a task.  With the default bridge network mode, containers on an instance are connected to each other using the docker0 bridge. Containers use this bridge to communicate with endpoints outside of the instance, using the primary elastic network interface of the instance on which they are running.  The  awsvpc  networking mode  enables you to run multiple copies of the container on the same instance using the same container port without needing to do any port mapping or translation, simplifying the application architecture.  Associating security group rules with a container or containers in a task allows you to restrict the ports and IP addresses from which your application...