params_airflow.json

{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "dockerContainer": {"type": "string"},
    "dockerRegistryUsername": {"type": "string"},
    "dockerRegistryPassword": {"type": "securestring"},
    "dockerRegistryUrl": {"type": "string"},
    "fernetKey": {"type": "securestring"},
    "siteName": {
      "type": "string",
      "defaultValue": "[concat('airflow-', uniqueString(resourceGroup().id))]",
      "metadata": {
        "description": "Name of Airflow web app"
      }
    },
...
    "resources": [
        {
          "name": "appsettings",
          "type": "config",
          "apiVersion": "2018-02-01",
          "dependsOn": [
            "[resourceId('Microsoft.Web/sites', parameters('siteName'))]"
          ],
          "tags": {
            "displayName": "AirflowappSettings"
          },
          "comments": "This are the generated settings for the Airflow SQL Alchemy connectionstring",
          "properties": {
            "AIRFLOW__CORE__SQL_ALCHEMY_CONN": "[concat('postgresql://', variables('AirflowUserName'),':',parameters('administratorLoginPassword'),'@',reference(resourceId('Microsoft.DBforPostgreSQL/servers',variables('serverName'))).fullyQualifiedDomainName,':5432/',variables('databaseName'))]",
            "AIRFLOW__CORE__LOAD_EXAMPLES": "false",
            "WEBSITES_ENABLE_APP_SERVICE_STORAGE": "false",
            "FERNET_KEY": "[parameters('fernetKey')]",
            "AIRFLOW__CORE__FERNET_KEY": "[parameters('fernetKey')]",
            "AIRFLOW__WEBSERVER__SECRET_KEY": "[parameters('fernetKey')]",
            "AIRFLOW_ADMIN_EMAIL": "[parameters('administratorEmail')]",
            "AIRFLOW_ADMIN_PASS": "[parameters('administratorLoginPassword')]",
            "DOCKER_REGISTRY_SERVER_URL": "[concat('https://', parameters('dockerRegistryUrl'))]", 
            "DOCKER_REGISTRY_SERVER_USERNAME": "[parameters('dockerRegistryUsername')]",     
            "DOCKER_REGISTRY_SERVER_PASSWORD": "[parameters('dockerRegistryPassword')]"            
          }
        }
      ]
    },
    {