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https://github.com/shresth72/terraform_vpc_networking
Complete ECS - VPC network in Terraform with best practices.
https://github.com/shresth72/terraform_vpc_networking
aws docker ecr ecs nat-gateways route-tables subnets terraform terraform-modules vpc
Last synced: 1 day ago
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Complete ECS - VPC network in Terraform with best practices.
- Host: GitHub
- URL: https://github.com/shresth72/terraform_vpc_networking
- Owner: Shresth72
- Created: 2024-03-25T12:18:45.000Z (6 months ago)
- Default Branch: main
- Last Pushed: 2024-03-30T15:55:09.000Z (6 months ago)
- Last Synced: 2024-09-26T19:01:16.994Z (1 day ago)
- Topics: aws, docker, ecr, ecs, nat-gateways, route-tables, subnets, terraform, terraform-modules, vpc
- Language: HCL
- Homepage:
- Size: 1.02 MB
- Stars: 0
- Watchers: 2
- Forks: 0
- Open Issues: 0
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Metadata Files:
- Readme: README.md
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README
# VPC and ECS Networks
## ECS
ECS helps in managing the execution of fleets of containers in a high available manner and monitors resource consumption and requirements.
- Helps in scaling elastically and integrate with other Services along with load balancing
- Managing containers through programmatic API and AWS CLI tools such as ECR and EC2
- Secure through policies, availability, granular control over isolated resources and their allocation. Also, allows usage of VPC for clusters and setup security groups to manage traffic.
There are three main components:
- Cluster
- Task
- Service
### Cluster
- Group of EC2 instances spread across multiple availability zones, that are running the AWS ECS container agent.
- Agents allow EC2 instances to talk with the backend logic of ECS, which allows for resource management, lifecycle coordination and efficient scheduling.
- Containers in a cluster are grouped in task and asked to EC2 to run them. They can have mix of instance types and other EC2 specifications.
### Task
- Task definition is a file that describes one or more containers that should run together and are deployed as a single unit.
- Task is one instantiation of a task definition that runs all containers together in the AWS EC2 instance.
### Service
- Service is where all of this functionalities are connected together, and it schedules tasks based on their definition in the cluster. Defines min and max no of tasks desired in the cluster and also helps in restarting failed tasks along with scalability.
