AWS-ECS

ECS Guide

Repository

1) Go to ECS in AWS Console
2) Create Repository
3) Install awscli to local machine 
	sudo apt install awscli
	pip install awscli --upgrade --user
	aws --version # make sure to install latest version
	sudo -H pip install -U pip # update pip to latest version
4) Login to ECS Docker 
	eval $(aws ecr get-login --no-include-email | sed 's|https://||')
5) Build Docker Image
	docker build -t myrepository .
6) Tag Build Image to Push to Repository
	docker tag myrepository:latest 266112848176.dkr.ecr.us-east-2.amazonaws.com/myrepository:latest
7) Push Image to aws repository
	docker push 266112848176.dkr.ecr.us-east-2.amazonaws.com/myrepository:latest



Cluster --

1)Go to AWS Console ECS > Clusters > Create Cluster
2) Choose platform 
3) Enter Cluster name, instance type and instance numbers etc configuration as needed
4)View Cluster and It's done.


Task --
1)Go to AWS Console ECS > Task Definations
2)Create new Task Defination
3)Choose launch Type FARGATE or EC2 (EC2)
4)Enter Task Defination name (Which later be group name for multiple tasks)
5)Select Task Role (ecsTaskExecutionRole)
6)Select Network Mode > Bridge -- allow different task to communicate
7)Select Task Execution Role (Optional)
8)Task Size (Optional)
9)Add Container (Docker Container which uploaded earlier)
	1)Container name --container name
	2)image -- url for image to run in that container 266112848176.dkr.ecr.us-east-2.amazonaws.com/myrepository:latest
	3)Memory Limits -- enter 500 default size for small tasks
	4)Port Mapping -Host port 80 -container port -80 
	5)Click on Add
10)Click on Create





# To Run Service in Cluster 
1)Go to AWS Console ECS > Clusters
2)Choose required Cluster
3)Click Create in Services
	1)Lauch Type EC2
	2)Task Defination -- Select Task to Run 
	3)Select Subversion for that task
	4)Service Name
	5)Service Type -- REPLICA
	6)Number of Tasks
4)Configure Load Balancer 
5)Configure Auto Scalling -- Create Alarm for Scalling add/remove