fargate-task.json

{
    "Description": "Container Fargate Task Definition (fdp-1qj64b32n)",
    "AWSTemplateFormatVersion": "2010-09-09",
    "Parameters": {
        "ECRImageURI": {
            "Type": "String",
            "Description" : "URI for the container from Amazon Elastic Container Registry."
        },
        "ContainerDefinitionName": {
            "Type": "String",
            "Description" : "This will set the Task and Container Definition name in Fargate."
        },       
        "ContainerPort": {
            "Type":"Number",
            "Description" : "port number exposed from the container image.",
            "Default":80
        },
        "ContainerSize": {
            "Type":"String",
            "Description" : "Size of container for Fargate task.",
            "Default":"Small",
            "AllowedValues": ["Small","Medium","Large"]
        }
    },
    "Mappings" : {
        "MapContainerSize" : {
            "Small" : {
                "cpu" : "512" ,
                "mem" : "1024"
            },
            "Medium" : {
                "cpu" : "1024",
                "mem" : "2048"
            },
            "Large" : {
                "cpu" : "4096",
                "mem" : "8192"
            }
        }
    },
    "Resources": {
        "TaskLogGroup": {
          "Type" : "AWS::Logs::LogGroup",          
          "Properties" : {
              "LogGroupName" : {"Fn::Sub":"/ecs/${ContainerDefinitionName}"},
              "RetentionInDays" : 30
            }
        },    
        "taskdefinition": {
            "Type": "AWS::ECS::TaskDefinition",
            "Properties" : {
                "ExecutionRoleArn": {"Fn::ImportValue": "ECSTaskExecutionRole"},
                "RequiresCompatibilities": [
                  "FARGATE"
                ],
                "Memory":  { "Fn::FindInMap" : [ "MapContainerSize", { "Ref" : "ContainerSize" }, "mem"]},
                "Family": {"Ref":"ContainerDefinitionName"},
                "NetworkMode": "awsvpc",
                "Cpu": { "Fn::FindInMap" : [ "MapContainerSize", { "Ref" : "ContainerSize" }, "cpu"]},
                "ContainerDefinitions" : [
                    {
                      "PortMappings": [
                        { "ContainerPort": {"Ref": "ContainerPort"} }
                      ],
                      "LogConfiguration": {
                        "LogDriver": "awslogs",
                        "Options": {
                          "awslogs-group": {"Ref":"TaskLogGroup"},
                          "awslogs-region": {"Ref":"AWS::Region"},
                          "awslogs-stream-prefix": "ecs"
                        }
                      },
                      "Environment": [
                            {
                                "Name": "AWS_REGION",
                                "Value": {"Ref":"AWS::Region"}
                            }
                      ],
                      "Image": {"Ref":"ECRImageURI"},
                      "Name": {"Ref":"ContainerDefinitionName"}
                    }
                ]
            }
        }
    }
}