Table of contents
What is ECS?
ECS (Elastic Container Service) is a fully-managed container orchestration service provided by Amazon Web Services (AWS). It allows you to run and manage Docker containers on a cluster of virtual machines (EC2 instances) without having to manage the underlying infrastructure.
With ECS, you can quickly deploy, manage, and scale your containerized applications using the AWS Management Console, the AWS CLI, or the API. ECS supports both "Fargate" and "EC2 launch types", which means you can run your containers on AWS-managed infrastructure or your own EC2 instances.
ECS also integrates with other AWS services, such as Elastic Load Balancing, Auto Scaling, and Amazon VPC, allowing you to build scalable and highly available applications. Additionally, ECS has support for Docker Compose and Kubernetes, making it easy to adopt existing container workflows.
Overall, ECS is a powerful and flexible container orchestration service that can help simplify the deployment and management of containerized applications in AWS.
Difference between EKS and ECS?
EKS (Elastic Kubernetes Service) and ECS (Elastic Container Service) are both container orchestration platforms provided by Amazon Web Services (AWS). While both platforms allow you to run containerized applications in the AWS cloud, there are some differences between the two.
Architecture:
ECS is based on a centralized architecture, where there is a control plane that manages the scheduling of containers on EC2 instances.
On the other hand, EKS is based on a distributed architecture, where the Kubernetes control plane is distributed across multiple EC2 instances.
Kubernetes Support:
EKS is a fully managed Kubernetes service, meaning that it supports Kubernetes natively and allows you to run your Kubernetes workloads on AWS without having to manage the Kubernetes control plane.
ECS, on the other hand, has its own orchestration engine and does not support Kubernetes natively.
Scaling:
EKS is designed to automatically scale your Kubernetes cluster based on demand,
whereas ECS requires you to configure scaling policies for your tasks and services.
Flexibility:
EKS provides more flexibility than ECS in terms of container orchestration, as it allows you to customize and configure Kubernetes to meet your specific requirements.
ECS is more restrictive in terms of the options available for container orchestration.
Community:
Kubernetes has a large and active open-source community, which means that EKS benefits from a wide range of community-driven development and support. ECS, on the other hand, has a smaller community and is largely driven by AWS itself.
In summary, EKS is a good choice if you want to use Kubernetes to manage your containerized workloads on AWS, while ECS is a good choice if you want a simpler, more managed platform for running your containerized applications.
Task :
Set up ECS (Elastic Container Service) by setting up Nginx on ECS.
To set up Elastic Container Service (ECS) and deploy Nginx on ECS, you can follow these steps:
Sign in to the AWS Management Console at https://console.aws.amazon.com.
Open the ECS Dashboard by searching for "ECS" in the AWS Management Console search bar and selecting "ECS" under the "Compute" section.
Create an ECS cluster:
Click on the "Create Cluster" button.
Provide a name for your cluster and configure the desired settings.
Choose the he cluster settings, such as the cluster name, VPC, and subnet.
Click on the "Create" button to create the ECS cluster.
Create a task definition:
Click on "Task Definitions" in the left-hand navigation pane.
Click on the "Create new Task Definition" button.
Provide a name for your task definition.
Configure the container settings:
Specify the container image as "nginx" and in the Image URL go to https://gallery.ecr.aws/ this website search for the Nginx image copy the image URL and paste it in the below Option.
Configure any required container settings, such as CPU and memory limits.
Select "Fargate" as the launch type compatibility.
Click on the "Create" button to create the task definition.
Create a service:
Click on "Clusters" in the left-hand navigation pane.
Click on the name of your cluster.
Click on the "Create" button under the "Services" tab.
Choose the task definition that you created in the above steps.
Configure the network settings and security group.
Click on the "Next step" button.
Configure any additional settings for your service, such as load balancing.
Click on the "Create Service" button to create the service.
Wait for the service to launch and stabilize. Once the service is running, it will automatically deploy and manage the Nginx container.
Access the Nginx service:
In the ECS Dashboard, navigate to the "Clusters" section.
Click on the name of your cluster.
Click on the "Services" tab.
Click on the name of your service.
Under the "Tasks" tab, click on the ID of the running task.
In the "Network" section, note the public IP or DNS of the task.
Open a web browser and enter the public IP or DNS to access the Nginx service.
That's it! You have set up ECS and deployed Nginx on ECS. The ECS service will automatically manage the container and ensure that the desired number of Nginx instances are running and accessible. You can scale the service, update the task definition, or configure other features of ECS to suit your requirements.