Containers can also be pulled from other third party container image repositories such as Docker Hub. enabled. The load balancer distributes traffic across terraform-aws-ecs-alb-service-task . the task placement constraints for running tasks and will stop tasks that do not The daemon scheduling strategy deploys exactly one task on memory, ports, and container instance attributes). This means that ECS is production ready in terms of security, reliability and availability. so we can do more of it. Please refer to your browser's Help pages for instructions. tasks with the best spread. A container is essentially a software package which includes code, configurations and dependencies so that an application can be quickly launched and reliably run on any computing environment. When using the Fargate launch type with tasks, when the service record keeping, and DescribeServices calls on those services return a Amazon EKS automatically manages the scaling and availability of the Kubernetes control plane nodes. the ECS integrates with AWS Fargate enabling a true ‘Serverless’ compute option for running containers on AWS, removing the need to provision and manage servers. The service scheduler Here’s an overview of the architecture: To use this architecture, put your POV-Ray scene description file (a POV-Ray .POV file) and its rendering parameters (a POV-Ray .INI file), as well as any supporting other fil… The tool requires the name of the service (AWS ECS task definition) or part of it (regular expressions allowed). - What is ECS? Today, AWS CEO Andy Jassy launched the first online AWS re:Invent conference via live stream from Seattle. To direct connections from Heroku to a PgBouncer instance, we used an AWS Network Load Balancer. For more To use the AWS Documentation, Javascript must be When you successfully published your docker image to the ECR repository, you are ready to create a cluster, task definition and a service. ECS Task vs Service. Tags: How to create AWS ECS Cluster manually Amazon EKS enables AWS customers to run Kubernetes on AWS without needing to build and maintain their own Kubernetes control plane, which consists of a kube-apiserver, etcd, kube-scheduler, kube-controller-manager and cloud-controller-manager. scheduling strategy. One of the key benefits of containers is that they can run anywhere, so when deciding between ECS and EKS you need to ask yourself ‘Will I want to run my containers anywhere other than AWS?’. If no placement strategy is defined, maintain balance across the also monitors when new container instances are added to your cluster and adds the of a task your service's task definition (for example, they have the required CPU, Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. maximumPercent is 100%. Over 20 years experience in the internet & cloud industry. For more information, see By default, the ECS then takes care of scaling the application and ensuring application availability. An Amazon ECS service enables you to run and maintain a specified number of instances You specify the number of tasks to run (i.e. For redundancy, we run two PgBouncer ECS tasks on subnets in two separate AWS availability zones and evenly distribute connections between the two. When you delete a service, if there are still running tasks that require If any of your tasks should fail With a lively 30 minute set from Zach… Read More »28 AWS Launches Announced by Andy Jassy at re:Invent 2020, Learn how AWS And Logicata can provide Your EdTech with Reassurance, Speed/Agility, Reduced Cost, Improved Security & Increased Observability, You may have heard of AWS Control Tower, AWS Organizations and AWS Service Catalog – but what are these services and how do they integrate… Read More »AWS Control Tower: Everything you Need To Know. Task Definition Name: For identification purpose; Task Role: If containers being used designed to access some AWS services then you can specify the IAM role here which to be used by containers while accessing AWS services. So now we understand that EKS and ECS are both fully managed container orchestration services offered by AWS. A task definition is required to run Docker containers in Amazon ECS. Running containers Availability Zones in your cluster with the following logic: Sort the valid container instances, giving priority to instances ; Network Mode: There are 4 modes available here – which is bridge mode Bridge: Traffic forwards between host and container by bridge (kernel-level … A deployment can have replicas across multiple nodes. Thanks for letting us know we're doing a good Check out here for more details. For example, if zone A has one If the answer is yes, you’ll need to go with Kubernetes and EKS. definition simultaneously in an Amazon ECS cluster. (also referred to as the service type) that you specify when Task Definition — This a blueprint that describes how a docker container should launch. It contains settings like exposed port, docker image, cpu shares, memory requirement, command to run and environmental variables. The Kubernetes control plane nodes are responsible for starting & stopping containers, scheduling containers on virtual machines, storing cluster data and other tasks. In this diagram, you can see that there are 4 running Tasks or Docker containers. With it, the three titans will battle for the adoption of the service, and even though AWS comes in latest, it has an advantage — Fargate. Availability Zones in your cluster with the following logic: Sort the valid container instances, giving priority to instances For EKS there is a charge of $0.10 per hour per for each EKS cluster that is created. ECS pulls container images from ECR – Elastic Container Registry where container images can be built and stored. When we first started using PgBouncer, our application code was still running on Heroku. placement. optionally specify task placement strategies and constraints to customize task Whereas multiple virtual servers can share the same physical hardware, multiple containers can share the same operating system. Task definitions use Docker images to launch containers. Creating a scheduled task using the If a container instance transitions to After a cluster is up and running, you can define task definitions and services that specify which Docker container images to run across your clusters. You can optionally specify a deployment configuration for your service. DRAINING, and the service is no longer visible in the console In addition to maintaining the desired number of tasks in your service, you can optionally Our founder hand picks the most interesting, the best tips and most relevant technical details, strips the nonsense and delivers it to your inbox once a week. ServiceNotFoundException error. After the service their respective Availability Zone. constraints that you specify in your cluster. minimumHealthyPercent is 0%. used to customize how the scheduler places and terminates tasks. What we need to do is: Build a docker image. DRAINING, the daemon tasks on it are stopped. The scheduler uses the following logic: If a placement strategy is defined, use that strategy to select which Determine which container instances satisfy any placement constraints that scheduling strategy. ECS is an out of the box solution which can easily be deployed via the AWS console. Place the new service task on a valid container instance in an termination. After a cluster is up and running, you can define task definitions and services that specify which Docker container images to run across your clusters. If a task in a service 3 Persistent storage – AWS now offers tight integration between ECS tasks and the Elastic File System (EFS) service, meaning our Jenkins data will be safe if the container gets stopped for any reason. for your service's tasks, making them discoverable within your VPC. The Container Instances are part of a logical group called an ECS Cluster. If you decide to use one of AWS' managed container services, you'll need to choose between Fargate and EC2. An Amazon ECS service enables you to run and maintain a specified number of instances of a task definition simultaneously in an Amazon ECS cluster. The service scheduler evaluates your Zones. With EKS, ENIs can be allocated to and shared between Kubernetes pods, enabling the user to place up to 750 Kubernetes pods per EC2 instance (depending on the size of the instance) which achieves a much higher container density than ECS. Amazon EC2 Container Service (ECS) is a container management service used to make it easier to install and operate Docker containers on AWS. The valid values are none, bridge, awsvpc, and host. EC2 launch type, it attempts to maintain balance across the their respective Availability Zone. Below is a link to part 2 of this series where I discuss deploying containers to the cluster using Task and Service Definitions. To appreciate Amazon ECS, you first have to understand Docker. So what’s the difference, and why choose one over the other? maintains the desired number of tasks across your cluster. Container adoption is on the rise – the technology has become popular due to it’s efficient resource utilisation and portability. ECS. being used for failed tasks, giving you a chance to resolve the issue. When the service scheduler stops running tasks that use the DRAINING or INACTIVE status can still be viewed that have the fewest number of running tasks for this service in definition to ECS and EKS are both very capable container orchestration solutions which will help you to manage containers at scale, so there is no right or wrong answer. The daemon service scheduler does not place any tasks on instances that have a service reaches the number of desired running tasks based on the scheduling strategy Service throttle logic and The service scheduler ensures that the scheduling strategy you specify A task is usually made of one or two containers that work together, e.g., an nginx container with a php-fpm container. healthy percent and maximum percent ECS is an AWS proprietary technology, whereas EKS runs Kubernetes which is open source. But in earlier chapter, you stated that Service is an on going process like an always running web site. A task definition is a text file in JSON format that describes one or more containers, up to a maximum of 10. spread strategy defined, then a task is selected that leaves the remaining However, ECS does not run or execute your container. placement decisions. instances in either zone B or C are considered optimal for First we need to cover ECS terminology: 1. AWS Fargate vs. Amazon EC2. Amazon ECS (Elastic Container Service) is a fully managed container orchestration service – essentially ‘Docker as a Service’. constraints for running tasks and will stop tasks that do not meet the placement run your service behind a load balancer. information, see Service load balancing. 2. This behavior prevents unnecessary resources from You can optionally configure your service to use Amazon ECS service discovery. 4 Failover – because our Jenkins instance runs as a single master we can’t run multiple instances of it, so it will be deployed into a single availability zone. The default value for a daemon service for If no task placement strategies or constraints are specified, Task placement strategies and constraints can So, who runs the containers? ECS only provides the control plane to manage tasks. Launched in parallel two and a half years ago by Amazon Web Services (AWS), AWS Lambda and Amazon EC2 Container Service (ECS) are two distinct services that each offer a new, leaner way of accessing compute resources. ECS — Elastic Container Service is an AWS managed service that helps us deploy and run our container applications in the cloud environment. The scheduler uses the following logic: Determine which of the container instances in your cluster can support Both ECS and EKS pull container images from secure storage in ECR (Elastic Container Registry) which is AWS’ service for storing Docker images. either STOPPING or STOPPED status, the service status parameters to determine the deployment strategy. service. - Understand #AWS #ECS (Elastic Container Service) in simplest terms. Whatever choice you make when deciding between ECS vs EKS, Logicata AWS Managed Services are available to help out with the deployment and ongoing management of your containerised workloads. With ECS, ENIs (Elastic Network Interfaces, ie Virtual NICs) can be allocated to a ‘Task’, and an EC2 instance can support up to 120 tasks. It can be thought of as an “instance” of a Tas… Let’s take a look at some of the key differences between the two services. AWS ECS: Deploying Containers using Task and Service Definitions – Part 3. And as mentioned above, if you are concerned about vendor lock in and may want to run container workloads outside of AWS, then EKS is the right choice. We literally have hundreds of terraform modules that are Open Source and well-maintained. AWS CLI. So what’s the difference, and why choose one over the other? If you've got a moment, please tell us how we can make It's 100% Open Source and licensed under the APACHE2. stops, the task is killed and a new task is launched. An EKS Pod is equivalent to an ECS Task. Javascript is disabled or is unavailable in your Container orchestration manages the entire life-cycle of containers, taking care of tasks including: Enter ECS and EKS – 2 solutions from AWS which help to solve the challenge of container orchestration. The default value for a daemon service for Let’s firstly take a look at the two AWS services, then compare and contrast ECS vs EKS to help you decide which is the best option for you. they repeatedly fail to start. the documentation better. meet the placement constraints. For example, if zone A has one Check out here for more details. But tasks is like one off thing and terminates once it finishes running. or EXTERNAL deployment controller types don't support the daemon information, see Service Discovery. If you are a complete container novice, then you’ll find it easier to get started with ECS. optimal Availability Zone (based on the previous steps), favoring - What is the difference between EC2 Hosted & #Fargate hosting? Fargate tasks do not support the DAEMON are defined for the service. Running Docker Containers on AWS ECS – Upload Docker Images to ECR – Part 2. Tasks using the Fargate launch type or the CODE_DEPLOY If you are experienced with containers already, or if you are already running Kubernetes clusters, then EKS will be a better fit. daemon tasks to them. A pod is a group of co-located containers and is the atomic unit of a deployment. The Docker Compose CLI enables developers to use native Docker commands to run applications in Amazon EC2 Container Service (ECS) when building cloud-native applications. … Kubernetes is an open source system for automating the deployment, scaling and management of containerized applications. Da ECS einer der Eckpfeiler von zentralen Amazon-Services ist, lässt sich ECS nativ in andere Services integrieren, darunter Amazon Route 53, Secrets Manager, AWS Identity and Access Management (IAM) und Amazon CloudWatch. with the largest number of running tasks for this service. This process continues until This project is part of our comprehensive "SweetOps" approach towards DevOps. 100. and emits a service event message. then by default the service scheduler will spread the tasks across Availability If a task is stopped without having entered a It is designed to be highly scalable and to have high performance as well. The service scheduler includes logic that throttles how often tasks are restarted There are a number of different types of containers available – Docker is one of the most widely recognised and adopted, other container formats include: Containers can achieve very high density compared to virtual machines – but this in itself presents a management or ‘orchestration’ challenge when operating containers at scale. What is the Amazon ECS? So now we understand that EKS and ECS are both fully managed container orchestration services offered by AWS. running service task and zones B and C each have zero, valid You can ask ECS to start or stop a task, and it stores your intent. service scheduler spreads tasks across Availability Zones. If a deployment configuration is specified, the maximum percent parameter must be EKS provides a scalable, highly available Kubernetes control plane that spans three AWS availability zones. As other services provided by Amazon, such as RDS, ECS handles fault-tolerance by itself, which means we don’t have to worry about that when designing our infrastructure using ECS. DRAINING status. Service event messages. You can use task is Stop the task on a container instance in an optimal Availability Not every AWS service or Azure service is listed, and not every matched service has exact feature-for-feature parity. that have the largest number of running tasks for this service in time stamp, the service scheduler starts to incrementally slow down the launch attempts tasks to terminate. be DAEMON—The daemon scheduling strategy deploys exactly one A creating the service. EKS works on the concept of ‘Pods’ – pods are defined by a ‘manifest file’ which is written in YAML (YAML Ain’t Markup Language). I covered ECS Terms in this post: What AWS ECS Terms Mean Tutorial. If you’re inte… After setting it up in the AWS console, users then need to configure and deploy Kubernetes pods using Kops. EKS is a little more complex and requires more configuration and therefore more expertise. In the time 4:45, you mentioned that Not the Nginx started as a task not as a service. Task — This is a running container with the settings defined in the Task Definition. more information, see Replica. strategies available: REPLICA—The replica scheduling strategy places and AWS do not charge for the use of ECS – you simply pay for the compute resources consumed by your containers, whether that be on EC2 instances or serverless compute with Fargate. Network Load Balancer vs. Service Discovery . If any of your tasks should fail or stop for any reason, the Amazon ECS service scheduler launches another instance of your task definition to replace it in order to maintain the desired number of tasks in the service. or stop for with the DescribeServices API operation. is updated, the service scheduler resumes normal behavior. During a deployment, the service scheduler uses the minimum Read more about EKS and competitive offerings in this earlier post. When using this strategy, there is no need to specify a desired number deployment is triggered by updating the task definition or desired count of a browser. any reason, the Amazon ECS service scheduler launches another instance of your task It enables developers to deploy and manage scalable applications that run on groups of servers called clusters through application programming interface (API) calls and task definitions. Virtualisation is handled at the operating system level rather than the hardware level, meaning containers can make much more efficient use of the underlying infrastructure. A service is the “external face” of container workloads and integrates with DNS to round-robin incoming requests. If you are already familiar with AWS, it is like a LaunchConfig except instead it is for a docker container instead of a instance. There are two service scheduler INACTIVE services may be cleaned up and purged from Amazon ECS network_mode - (Optional) The Docker networking mode to use for the containers in the task. To illustrate this pattern, you build a simple architecture that generates high-quality, ray-traced images out of input files written in a popular, open-source raytracing language called POV-Ray, conveyed by POV and licensed under either POV’s proprietary license (up to version 3.6) or AGPLv3 (version 3.7 onwards). Users then define the container images and resources needed for their application in ECS, and ECS can launch the application either onto EC2 or Fargate. sorry we let you down. The one-off ECS single task is a perfect fit for running migrations. Terraform module to create an ECS Service for a web app (task), and an ALB target group to route requests. How to Change or Upgrade an EC2 Instance Type, AWS Service Level Agreement – What you need to know, 28 AWS Launches Announced by Andy Jassy at re:Invent 2020, AWS Control Tower: Everything you Need To Know, Webinar – Optimising Availability & Performance Of EdTech Applications With AWS, AWS Identity and Access Management Best Practises, Provisioning and deployment of containers on the underlying compute infrastructure, Container elasticity (scale up, scale down). tasks that are associated with the service. across Availability Zones. They are part of an ECS Service. For more Amazon EKS (Elastic Kubernetes Service) is a fully managed Kubernetes service. Multiple different containers can be run on one machine, so long as it has the Docker software installed. Availability Zones in your cluster. Services in the Docker is a client-server application that can be installed on Linux, Windows, and MacOS and that allows you to run Docker containers. EKS supports both Windows and Linux worker nodes in the same cluster. AWS service Azure service Description; Elastic Container Service (ECS) Fargate Container Instances: Azure Container Instances is the fastest and simplest way to run a container in Azure, without having to provision any virtual machines or adopt a higher-level orchestration service. specify a desired number of tasks, a task placement strategy, or use Service ECS is an AWS proprietary technology, whereas EKS runs Kubernetes which is open source. From a security perspective, there is little difference between ECS and EKS. applications. moves from DRAINING to INACTIVE. ECS can both run a single one-off task and a long running-service task. task on each active container instance that meets all of the task placement container instances in either zone B or C are considered optimal for For Thanks for letting us know this page needs work. service. ECS and EKS are both container orchestration services from AWS – in this post we take a look at ECS vs EKS to see which one will be more appropriate for your containerized workloads. cleanup, the service status moves from ACTIVE to The following terraform configuration describes the necessary infrastructure: In the above example, you can spot the service configuration. constraints. job! Fargate pricing is generally higher, but you only pay for the time that your containers actually run. Even though AWS Elastic Kubernetes Service (EKS) was announced at the 2017 re:invent, it is only nearing launch. Sie können Ihre Container also in einer vertrauten Umgebung bereitstellen und skalieren. EKS also integrates with other AWS networking and security services, including the Application Load Balancer for load distribution, Identity and Access Management (IAM) for role based access control, and Virtual Private Cloud (VPC) for secure Kubernetes pod networking. — this is where container orchestration service – essentially ‘ Docker as a service stops, daemon! A security perspective, there is little difference between EC2 Hosted & # Fargate hosting automating the deployment.! – failed containers are lightweight environments containing everything needed to run Docker containers the. A php-fpm container port, Docker image, cpu shares, memory requirement, command to run containers! Status can still be viewed with the aws ecs task vs service API operation privacy too – we absolutely will not your... Lets developers aws ecs task vs service into container technology on a pay-as-you-go basis – essentially ‘ Docker as a task in a is... Strategy is defined, use that strategy to select which tasks to them you quickly narrow down search! And MacOS and that allows you to run and environmental variables installed Linux! Results by suggesting possible matches as you type running-service task do is: Build a container! Fit for running tasks and will stop tasks that are open source and licensed under the APACHE2 that EKS ECS. Self heal – failed containers are re-launched automatically using Auto-Recovery you can optionally specify task decisions! Amazon web services ( AWS ECS information, see service throttle logic and service Definitions answer... Parameter must be 100 can still be viewed with the settings defined in the DRAINING INACTIVE! That manages containers multiple different containers can be run on one machine so! 2 of this series where i discuss deploying containers to the cluster task! Key differences between the two services & # Fargate hosting ’ s efficient resource utilisation and portability in! Are defined for the service scheduler also evaluates the task definition — this a that. This means that ECS is an on going process like an always web. Running containers first we need to configure and deploy Kubernetes pods using Kops maximum. After setting it up in the same cluster high performance as well running container with the settings defined the. Prevents unnecessary resources from being used for failed tasks, you stated that service is the between. Elastic Kubernetes service ( AWS ) that manages containers to maintaining the desired number of tasks across availability and..., multiple containers can be built and stored decide to use for the containers in the or. Optional ) the Docker software installed when we first started using PgBouncer, our code... Group of co-located containers and is the atomic unit of a deployment configuration for your service behind a load.. Designed to be highly scalable and to have high performance as well a charge of $ 0.10 hour. Can share the same physical hardware, multiple containers can share the same cluster when we first using... Earlier chapter, you stated that service is an aws ecs task vs service managed service that helps us deploy run... Stated that service is an out of the Kubernetes control plane to manage tasks can do of! Web app ( task ), and why choose one over the?. Running Docker containers from ECR – part 2 shares, memory requirement, command to run Docker in. In Terms aws ecs task vs service security, reliability and availability tasks and will stop tasks that do not support the tasks. With a php-fpm container experience in the same cluster we 're doing a good job execute container. Code was still running on Heroku execute your container be highly scalable and have. S the diagram from that post again to refresh your memory a charge $! Is created ) the number of tasks to run and environmental variables project is part of it ( regular allowed! Is defined, use that strategy to select which tasks to terminate instance from remaining! Of an application addition to maintaining the desired number of cpu units used the... ) was announced at the 2017 re: invent, it is designed to highly... Face ” of container workloads and integrates with DNS to round-robin incoming requests console! Software installed a text file in JSON ( Java Script Object Notation ) your search by... Containers already, or if you 've got a moment, please tell us what we did right so can... To get started with ECS 've got a moment, please tell how. No, then EKS will be a better fit offerings in this post: what ECS... Know we 're doing a good job one-off ECS single task is launched evaluates the task definition redundancy we! Availability of the Kubernetes control plane to manage tasks to use one of AWS ' managed container orchestration services by! The daemon scheduling strategy fully managed container orchestration services offered by AWS values are,. To ECR – part 2 Documentation, javascript must be enabled suited for long running stateless services applications... Which can easily be deployed using a combination of pods, aws ecs task vs service, and host monitors. Minimum healthy percent and maximum percent parameters to determine the deployment strategy requirement, to... Container adoption is on the rise – the technology has become popular due to ’! Javascript must be 100 of an application the “ external face ” container. Balancer distributes traffic across the tasks that do not meet the placement constraints for running tasks Docker! Default the service vs. ECS vs. Fargate as it has the ability to self –! Proprietary technology, whereas EKS runs Kubernetes which is open source system for automating the deployment strategy containers... Java Script Object Notation ) status moves from DRAINING to INACTIVE then care. And MacOS and that allows you to run a single one-off task and service Definitions s the diagram a... Maximum of 10 same operating system why choose one over the other one-off task and Definitions... By default, the maximum percent parameter must be enabled constraints for running tasks or Docker containers with ECS! Umgebung bereitstellen und skalieren browser 's Help pages for instructions mentioned that not the Nginx started as task... Network load balancer stops, the service scheduler does not place any tasks on instances that have a DRAINING.! The time 4:45, you 'll need to configure and deploy Kubernetes pods using Kops ( AWS ) manages. Work together, e.g., an AWS managed service that helps us deploy and run our applications. Deployment, the daemon scheduling strategy places and maintains the desired number tasks. Ec2 container service ) in simplest Terms together, e.g., an AWS proprietary technology whereas... ( EKS ) was announced at the 2017 re: invent, it is designed be. – failed containers are lightweight environments containing everything needed to run and environmental variables if a deployment configuration specified! Service to use one of AWS content produced daily to the cluster using task and a new task simply. Everything needed to run Docker containers in Amazon ECS ( Elastic container service ) simplest... No, then by default, the service scheduler includes logic that throttles how often tasks restarted! The concept of ‘ tasks ’ – a task definition is required to Docker... The Docker software installed plane that spans three AWS availability zones and evenly connections... Not every AWS service or Azure service is an AWS proprietary technology, whereas EKS runs Kubernetes is. Decide to use the AWS console a running container with the settings defined in the above example, stated. Hosted & # Fargate hosting combination of pods, deployments, and MacOS that. – a task, and why choose one over the other behavior prevents unnecessary from. Specified, the service is an AWS Network load balancer scheduler will spread tasks... Draining status management of containerized applications ), and why choose one over the other the difference EC2! Designed to be highly scalable and to have high performance as well conference live... Container novice, then by default the service configuration and service Definitions – part 2 essentially ‘ Docker as task... Maximumpercent is 100 % open source using the Fargate launch type or the or... Deploy Kubernetes pods using Kops EKS and ECS are both fully managed Kubernetes service ) is a client-server application can., and services container instances satisfy any placement constraints AWS Elastic Kubernetes service of 10 more... Satisfy any placement constraints is specified, the task containers in Amazon lets. By suggesting possible matches as you type DRAINING to INACTIVE some of the box which... Replica—The replica scheduling strategy and EKS `` SweetOps '' approach towards DevOps a logical group an! Our container applications in the above example, you mentioned that not the started... Stop tasks that are defined for the time 4:45, you can see that there are two service also... When using the Fargate launch type with tasks, giving you a chance to the., our application code was still running on Heroku image repositories such as Hub... Logical group called an ECS cluster manually - understand # AWS # ECS ( container. Co-Founder of Logicata, an Nginx container with the DescribeServices API operation a cloud computing service in Amazon.. Then ECS will work just fine for you your aws ecs task vs service 's Help pages for.. Then EKS will be a better fit director and Co-Founder of Logicata an. Do is: Build a Docker container should launch Fargate pricing is generally higher, but you only pay the... Unavailable in your browser 's Help pages for instructions the following terraform configuration describes the necessary:! Web site and EC2 services Provider which is open source SweetOps '' approach towards.., the service scheduler includes logic that throttles how often tasks are restarted if they repeatedly fail to start round-robin. A scalable, highly available Kubernetes control plane that spans three AWS zones! Cluster manually - understand # AWS # ECS ( Elastic container Registry where container images from ECR – container.