{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "name": {
            "type": "string",
            "metadata": {
                "description": "Name for the container group"
            },
            "defaultValue": "container"
        },
        "image": {
            "type": "string",
            "metadata": {
                "description": "Container image to deploy. Should be of the form accountName/imagename:tag for images stored in Docker Hub or a fully qualified URI for a private registry like the Azure Container Registry."
            },
            "defaultValue": "aaronmsft/hello-golang"
        },
        "command": {
            "type": "array",
            "metadata": {
                "description": ""
            },
            "defaultValue": []
        },
        "port": {
            "type": "string",
            "metadata": {
                "description": "Port to open on the container and the public IP address."
            },
            "defaultValue": "80"
        },
        "cpuCores": {
            "type": "string",
            "metadata": {
                "description": "The number of CPU cores to allocate to the container. Must be an integer."
            },
            "defaultValue": "1.0"
        },
        "memoryInGb": {
            "type": "string",
            "metadata": {
                "description": "The amount of memory to allocate to the container in gigabytes."
            },
            "defaultValue": "1.0"
        },
        "region1": {
            "type": "string",
            "allowedValues": [
                "eastus",
                "westus",
                "westus2",
                "westeurope",
                "southeastasia"
            ],
            "defaultValue": "eastus",
            "metadata": {
                "description": "The first region to deploy to."
            }
        },
        "region1Count": {
            "type": "int",
            "metadata": {
                "description": "The number of instances to deploy in the first region."
            },
            "defaultValue": 1
        },
        "region2": {
            "type": "string",
            "allowedValues": [
                "eastus",
                "westus",
                "westus2",
                "westeurope",
                "southeastasia"
            ],
            "defaultValue": "westus",
            "metadata": {
                "description": "The second region to deploy to."
            }
        },
        "region2Count": {
            "type": "int",
            "metadata": {
                "description": "The number of instances to deploy in the second region."
            },
            "defaultValue": 1
        },
        "region3": {
            "type": "string",
            "allowedValues": [
                "eastus",
                "westus",
                "westus2",
                "westeurope",
                "southeastasia"
            ],
            "defaultValue": "westeurope",
            "metadata": {
                "description": "The third region to deploy to."
            }
        },
        "region3Count": {
            "type": "int",
            "metadata": {
                "description": "The number of instances to deploy in the third region."
            },
            "defaultValue": 1
        },
        "trafficManagerFQDN": {
            "type": "string",
            "metadata": {
                "description": "DNS prefix for your Traffic Manager (i.e. trafficManagerFQDN.trafficmanager.net). This must be globally unique and will follow the format tm-<uniqueString>.trafficmanager.net by default."
            },
            "defaultValue": "[concat('tm-', uniqueString(resourceGroup().id))]"
        }
    },
    "variables": {},
    "resources": [
        {
            "type": "Microsoft.Network/trafficManagerProfiles",
            "name": "traffic-manager",
            "apiVersion": "2017-05-01",
            "location": "global",
            "properties": {
                "profileStatus": "Enabled",
                "trafficRoutingMethod": "Weighted",
                "dnsConfig": {
                    "relativeName": "[parameters('trafficManagerFQDN')]",
                    "fqdn": "[concat(parameters('trafficManagerFQDN'),'.trafficmanager.net')]",
                    "ttl": 30
                },
                "monitorConfig": {
                    "protocol": "HTTP",
                    "port": 80,
                    "path": "/",
                    "intervalInSeconds": 10,
                    "toleratedNumberOfFailures": 0,
                    "timeoutInSeconds": 5
                }
            },
            "dependsOn": []
        },
        {
            "type": "Microsoft.Network/trafficManagerProfiles/externalEndpoints",
            "name": "[concat('traffic-manager', '/', 'endpoint', '-', parameters('region1'), '-', copyIndex())]",
            "apiVersion": "2017-05-01",
            "dependsOn": [
                "[concat('Microsoft.Network/trafficManagerProfiles','/','traffic-manager')]"
            ],
            "condition": "[greater(parameters('region1Count'), 0)]",
            "copy": {
                "name": "containercopy",
                "count": "[if(equals(parameters('region1Count'), 0), 1, parameters('region1Count'))]"
            },
            "properties": {
                "endpointStatus": "Enabled",
                "target": "[concat(parameters('name'), '-', parameters('region1'), '-', copyIndex(), '-', uniqueString(resourceGroup().id), '.', parameters('region1'), '.azurecontainer.io')]",
                "weight": 1
            }
        },
        {
            "type": "Microsoft.Network/trafficManagerProfiles/externalEndpoints",
            "name": "[concat('traffic-manager', '/', 'endpoint', '-', parameters('region2'), '-', copyIndex())]",
            "apiVersion": "2017-05-01",
            "dependsOn": [
                "[concat('Microsoft.Network/trafficManagerProfiles','/','traffic-manager')]"
            ],
            "condition": "[greater(parameters('region2Count'), 0)]",
            "copy": {
                "name": "containercopy",
                "count": "[if(equals(parameters('region2Count'), 0), 1, parameters('region2Count'))]"
            },
            "properties": {
                "endpointStatus": "Enabled",
                "target": "[concat(parameters('name'), '-', parameters('region2'), '-', copyIndex(), '-', uniqueString(resourceGroup().id), '.', parameters('region2'), '.azurecontainer.io')]",
                "weight": 1
            }
        },
        {
            "type": "Microsoft.Network/trafficManagerProfiles/externalEndpoints",
            "name": "[concat('traffic-manager', '/', 'endpoint', '-', parameters('region3'), '-', copyIndex())]",
            "apiVersion": "2017-05-01",
            "dependsOn": [
                "[concat('Microsoft.Network/trafficManagerProfiles','/','traffic-manager')]"
            ],
            "condition": "[greater(parameters('region3Count'), 0)]",
            "copy": {
                "name": "containercopy",
                "count": "[if(equals(parameters('region3Count'), 0), 1, parameters('region3Count'))]"
            },
            "properties": {
                "endpointStatus": "Enabled",
                "target": "[concat(parameters('name'), '-', parameters('region3'), '-', copyIndex(), '-', uniqueString(resourceGroup().id), '.', parameters('region3'), '.azurecontainer.io')]",
                "weight": 1
            }
        },
        {
            "type": "Microsoft.ContainerInstance/containerGroups",
            "name": "[concat(parameters('name'), '-', parameters('region1'), '-', copyIndex())]",
            "apiVersion": "2018-02-01-preview",
            "location": "[parameters('region1')]",
            "condition": "[greater(parameters('region1Count'), 0)]",
            "copy": {
                "name": "containercopy",
                "count": "[if(equals(parameters('region1Count'), 0), 1, parameters('region1Count'))]"
            },
            "properties": {
                "containers": [
                    {
                        "name": "[concat(parameters('name'), '-', parameters('region1'), '-', copyIndex())]",
                        "properties": {
                            "image": "[parameters('image')]",
                            "command": "[parameters('command')]",
                            "ports": [
                                {
                                    "port": "[parameters('port')]"
                                }
                            ],
                            "resources": {
                                "requests": {
                                    "cpu": "[parameters('cpuCores')]",
                                    "memoryInGb": "[parameters('memoryInGb')]"
                                }
                            }
                        }
                    }
                ],
                "osType": "Linux",
                "ipAddress": {
                    "type": "Public",
                    "dnsNameLabel": "[concat(parameters('name'), '-', parameters('region1'), '-', copyIndex(), '-', uniqueString(resourceGroup().id))]",
                    "ports": [
                        {
                            "protocol": "tcp",
                            "port": "[parameters('port')]"
                        }
                    ]
                }
            }
        },
        {
            "type": "Microsoft.ContainerInstance/containerGroups",
            "name": "[concat(parameters('name'), '-', parameters('region2'), '-', copyIndex())]",
            "apiVersion": "2018-02-01-preview",
            "location": "[parameters('region2')]",
            "condition": "[greater(parameters('region2Count'), 0)]",
            "copy": {
                "name": "containercopy",
                "count": "[if(equals(parameters('region2Count'), 0), 1, parameters('region2Count'))]"
            },
            "properties": {
                "containers": [
                    {
                        "name": "[concat(parameters('name'), '-', parameters('region2'), '-', copyIndex())]",
                        "properties": {
                            "image": "[parameters('image')]",
                            "command": "[parameters('command')]",
                            "ports": [
                                {
                                    "port": "[parameters('port')]"
                                }
                            ],
                            "resources": {
                                "requests": {
                                    "cpu": "[parameters('cpuCores')]",
                                    "memoryInGb": "[parameters('memoryInGb')]"
                                }
                            }
                        }
                    }
                ],
                "osType": "Linux",
                "ipAddress": {
                    "type": "Public",
                    "dnsNameLabel": "[concat(parameters('name'), '-', parameters('region2'), '-', copyIndex(), '-', uniqueString(resourceGroup().id))]",
                    "ports": [
                        {
                            "protocol": "tcp",
                            "port": "[parameters('port')]"
                        }
                    ]
                }
            }
        },
        {
            "type": "Microsoft.ContainerInstance/containerGroups",
            "name": "[concat(parameters('name'), '-', parameters('region3'), '-', copyIndex())]",
            "apiVersion": "2018-02-01-preview",
            "location": "[parameters('region3')]",
            "condition": "[greater(parameters('region3Count'), 0)]",
            "copy": {
                "name": "containercopy",
                "count": "[if(equals(parameters('region3Count'), 0), 1, parameters('region3Count'))]"
            },
            "properties": {
                "containers": [
                    {
                        "name": "[concat(parameters('name'), '-', parameters('region3'), '-', copyIndex())]",
                        "properties": {
                            "image": "[parameters('image')]",
                            "command": "[parameters('command')]",
                            "ports": [
                                {
                                    "port": "[parameters('port')]"
                                }
                            ],
                            "resources": {
                                "requests": {
                                    "cpu": "[parameters('cpuCores')]",
                                    "memoryInGb": "[parameters('memoryInGb')]"
                                }
                            }
                        }
                    }
                ],
                "osType": "Linux",
                "ipAddress": {
                    "type": "Public",
                    "dnsNameLabel": "[concat(parameters('name'), '-', parameters('region3'), '-', copyIndex(), '-', uniqueString(resourceGroup().id))]",
                    "ports": [
                        {
                            "protocol": "tcp",
                            "port": "[parameters('port')]"
                        }
                    ]
                }
            }
        }
    ],
    "outputs": {
        "fqdn":{
            "type": "string",
            "value": "[concat(parameters('trafficManagerFQDN'),'.trafficmanager.net')]"
        }
    }
}