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Terraform - AWS: ECS

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DevOps Practices

DevOps Steps Development Production
Build Local build Jenkins
Push Local Development env with Docker Compose ECR
Run Local Development env with Docker Compose ECS

ECR

Create ECR

resource "aws_ecr_repository" "myapp" {
  name                 = "myapp"
  image_tag_mutability = "MUTABLE"

  image_scanning_configuration {
    scan_on_push = true
  }
}

output "myapp-ecr-url" {
    value = aws_ecr_repository.myapp.repository_url
}

Docker Command

# push image to ecr created by tf
aws ecr get-login
docker push ecr_url/myapp

# build with image on ecr
docker build -t ecr_url/myapp

ECS

resource "aws_ecs_cluster" "ecs_cluster" {
  name = "ecs_cluster"
}

resource "aws_launch_template" "ecs_instance_template" {
  name_prefix   = "ecs_instance"
  image_id      = var.image_id
  instance_type = var.instance_type
}

resource "aws_autoscaling_group" "ecs_auto_group" {
  availability_zones = ["${var.aws_region}"]
  desired_capacity   = 1
  max_size           = 1
  min_size           = 1

  launch_template {
    id      = aws_launch_template.ecs_instance_template.id
    version = "$Latest"
  }
}

Task