{
  "AWSTemplateFormatVersion" : "2010-09-09",

  "Description" : "AWS CloudFormation Sample Template Managed Single Batch Job Queue: This template demonstrates the usage of simple Job Queue and EC2 style Compute Environment.  **WARNING** You will be billed for the AWS resources used if you create a stack from this template.",


  "Resources" : {
    "VPC" : {
      "Type" : "AWS::EC2::VPC",
      "Properties" : {
        "CidrBlock" : "10.0.0.0/16"
      }
    },
    "InternetGateway" : {
      "Type" : "AWS::EC2::InternetGateway"
    },
    "RouteTable" : {
      "Type" : "AWS::EC2::RouteTable",
      "Properties" : {
        "VpcId" : { "Ref" : "VPC" }
      }
    },
    "VPCGatewayAttachment" : {
      "Type" : "AWS::EC2::VPCGatewayAttachment",
      "Properties" : {
        "VpcId" : { "Ref" : "VPC" },
        "InternetGatewayId" : { "Ref" : "InternetGateway" }
      }
    },
    "SecurityGroup" : {
      "Type" : "AWS::EC2::SecurityGroup",
      "Properties" : {
        "GroupDescription" : "EC2 Security Group for instances launched in the VPC by Batch",
        "VpcId" : { "Ref" : "VPC" }
      }
    },
    "Subnet" : {
      "Type" : "AWS::EC2::Subnet",
      "Properties" : {
        "CidrBlock" : "10.0.0.0/24",
        "VpcId" : { "Ref" : "VPC" },
        "MapPublicIpOnLaunch" : "true"
      }
    },
    "Route" : {
      "Type" : "AWS::EC2::Route",
      "Properties" : {
        "RouteTableId" : { "Ref" : "RouteTable" },
        "DestinationCidrBlock" : "0.0.0.0/0",
        "GatewayId" : { "Ref" : "InternetGateway" }
      }
    },
    "SubnetRouteTableAssociation" : {
      "Type" : "AWS::EC2::SubnetRouteTableAssociation",
      "Properties" : {
        "RouteTableId" : { "Ref" : "RouteTable" },
        "SubnetId" : { "Ref" : "Subnet" }
      }
    },
    "BatchServiceRole" : {
      "Type" : "AWS::IAM::Role",
      "Properties" : {
        "AssumeRolePolicyDocument" : {
          "Version" : "2012-10-17",
          "Statement" : [
            {
              "Effect" : "Allow",
              "Principal" : {
                "Service" : "batch.amazonaws.com"
              },
              "Action" : "sts:AssumeRole"
            }
          ]
        },
        "ManagedPolicyArns" : [
          "arn:aws:iam::aws:policy/service-role/AWSBatchServiceRole"
        ]
      }
    },
    "IamInstanceProfile" : {
      "Type" : "AWS::IAM::InstanceProfile",
      "Properties" : {
        "Roles" : [{ "Ref" : "EcsInstanceRole" }]
      }
    },
    "EcsInstanceRole" : {
      "Type" : "AWS::IAM::Role",
      "Properties" : {
        "AssumeRolePolicyDocument" : {
          "Version" : "2008-10-17",
          "Statement" : [
            {
              "Sid" : "",
              "Effect" : "Allow",
              "Principal" : {
                "Service" : "ec2.amazonaws.com"
              },
              "Action" : "sts:AssumeRole"
            }
          ]
        },
        "ManagedPolicyArns" : [
          "arn:aws:iam::aws:policy/service-role/AmazonEC2ContainerServiceforEC2Role"
        ]
      }
    },
    "JobDefinition" : {
      "Type" : "AWS::Batch::JobDefinition",
      "Properties" : {
        "Type" : "container",
        "ContainerProperties" : {
          "Image" : { 
	    "Fn::Join": [ "", [ "137112412989.dkr.ecr.", { "Ref" : "AWS::Region" }, ".amazonaws.com/amazonlinux:latest" ]] 
	  },
          "Vcpus" : 2,
          "Memory" : 2000,
          "Command" : [ "echo", "Hello world" ]
        },
        "RetryStrategy" : {
          "Attempts" : 1
        }
      }
    },
    "JobQueue" : {
      "Type" : "AWS::Batch::JobQueue",
      "Properties" : {
        "Priority" : 1,
        "ComputeEnvironmentOrder" : [
          {
            "Order" : 1,
            "ComputeEnvironment" : { "Ref" : "ComputeEnvironment" }
          }
        ]
      }
    },
    "ComputeEnvironment" : {
      "Type" : "AWS::Batch::ComputeEnvironment",
      "Properties" : {
        "Type" : "MANAGED",
        "ComputeResources" : {
          "Type" : "EC2",
          "MinvCpus" : 0,
          "DesiredvCpus" : 0,
          "MaxvCpus" : 64,
          "InstanceTypes" : [
            "optimal"
          ],
          "Subnets" : [{ "Ref" : "Subnet" }],
          "SecurityGroupIds" : [{ "Ref" : "SecurityGroup" }],
          "InstanceRole" : { "Ref" : "IamInstanceProfile" }
        },
        "ServiceRole" : { "Ref" : "BatchServiceRole" }
      }
    }
  },
  "Outputs" : {
    "ComputeEnvironmentArn" : {
      "Value" : { "Ref" : "ComputeEnvironment" }
    },
    "JobQueueArn" : {
      "Value" : { "Ref" : "JobQueue" }
    },
    "JobDefinitionArn": {
      "Value" : { "Ref" : "JobDefinition" }
    }
  }
}