{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "appName": {
      "defaultValue": null,
      "type": "string",
      "minLength": 5,
      "maxLength": 63,
      "metadata": {
        "description": "A unique name for the app"
      }
    },
    "containerImage": {
      "type": "string",
      "defaultValue": null,
      "metadata": {
        "description": "Container image to deploy"
      }
    },
    "dockerRegistryUrl": {
      "type": "String",
      "metadata": {
        "description": "Should be a valid host name without protocol"
      }
    },
    "dockerRegistryUsername": {
      "type": "String"
    },
    "dockerRegistryPassword": {
      "type": "SecureString"
    }
  },
  "resources": [
    {
      "type": "Microsoft.ContainerInstance/containerGroups",
      "name": "[parameters('appName')]",
      "apiVersion": "2021-07-01",
      "location": "[resourceGroup().location]",
      "properties": {
        "containers": [
          {
            "name": "app",
            "properties": {
              "image": "[parameters('containerImage')]",
              "ports": [
                {
                  "protocol": "TCP",
                  "port": 4000
                }
              ],
              "environmentVariables": [
                {
                  "name": "PORT",
                  "value": "4000"
                },
                {
                  "name": "NODE_ENV",
                  "value": "production"
                },
                {
                  "name": "WEB_CONCURRENCY",
                  "value": "1"
                }
              ],
              "resources": {
                "requests": {
                  "memoryInGB": 4,
                  "cpu": 1
                }
              }
            }
          }
        ],
        "imageRegistryCredentials": [
          {
            "server": "[parameters('dockerRegistryUrl')]",
            "username": "[parameters('dockerRegistryUsername')]",
            "password": "[parameters('dockerRegistryPassword')]"
          }
        ],
        "restartPolicy": "Always",
        "ipAddress": {
          "ports": [
            {
              "protocol": "TCP",
              "port": 4000
            }
          ],
          "type": "Public",
          "dnsNameLabel": "[parameters('appName')]"
        },
        "osType": "Linux"
      }
    }
  ],
  "outputs": {
    "defaultHostName": {
      "value": "[reference(resourceId('Microsoft.ContainerInstance/containerGroups', parameters('appName'))).ipAddress.fqdn]",
      "type": "string"
    }
  }
}