Azure Resource Manager template demonstrating a few things, http://anthonychu.ca/post/azure-app-service-resource-templates-tips-tricks

WebAppManyFeatures.json

{
    "$schema": "http://schema.management.azure.com/schemas/2014-04-01-preview/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "environmentName": {
            "type": "string"
        },
        "siteLocation": {
            "type": "string",
            "allowedValues": [ "West US", "East US" ],
            "defaultValue": "West US"
        }
    },
    "variables": {
        "appServicePlanName": "[concat('awesomeserviceplan-', parameters('environmentName'))]",
        "siteName": "[concat('awesomesite-', parameters('environmentname'))]",
        "siteProperties": {
            "phpVersion": "5.5",
            "netFrameworkVersion": "v4.0",
            "use32BitWorkerProcess": false, /* 64-bit platform */
            "webSocketsEnabled": true,
            "alwaysOn": true,
            "requestTracingEnabled": true, /* Failed request tracing, aka 'freb' */
            "httpLoggingEnabled": true, /* IIS logs (aka Web server logging) */
            "logsDirectorySizeLimit": 40, /* 40 MB limit for IIS logs */
            "detailedErrorLoggingEnabled": true, /* Detailed error messages  */
            "remoteDebuggingEnabled": true,
            "remoteDebuggingVersion": "VS2013",

            "defaultDocuments": [
                "index.html",
                "hostingstart.html"
            ]
        }
    },
    "resources": [
        {
            "apiVersion": "2015-08-01",
            "name": "[variables('appServicePlanName')]",
            "type": "Microsoft.Web/serverfarms",
            "location": "[parameters('siteLocation')]",
            "sku": {
                "name": "S1",
                "tier": "Standard",
                "capacity": 1
            },
            "properties": {
                "name": "[variables('appServicePlanName')]"
            }
        },
        {
            "apiVersion": "2015-08-01",
            "name": "[variables('siteName')]",
            "type": "Microsoft.Web/sites",
            "location": "[parameters('siteLocation')]",
            "dependsOn": [
                "[resourceId('Microsoft.Web/serverfarms', variables('appServicePlanName'))]"
            ],
            "properties": {
                "serverFarmId": "[variables('appServicePlanName')]"
            },
            "resources": [
                {
                    "apiVersion": "2015-08-01",
                    "name": "web",
                    "type": "config",
                    "dependsOn": [
                        "[resourceId('Microsoft.Web/Sites', variables('siteName'))]"
                    ],
                    "properties": "[variables('siteProperties')]"
                },
                {
                    "apiVersion": "2015-08-01",
                    "name": "appsettings",
                    "type": "config",
                    "dependsOn": [
                        "[resourceId('Microsoft.Web/Sites', variables('siteName'))]"
                    ],
                    "properties": {
                        "AppSettingKey1": "Some value",
                        "AppSettingKey2": "My second setting",
                        "AppSettingKey3": "My third setting",
                        "WEBSITE_TIME_ZONE": "Pacific Standard Time"
                    }
                },
                {
                    "apiVersion": "2015-08-01",
                    "name": "connectionstrings",
                    "type": "config",
                    "dependsOn": [
                        "[resourceId('Microsoft.Web/Sites', variables('siteName'))]"
                    ],
                    "properties": {
                        "ConnString1": {
                            "value": "My custom connection string",
                            "type": "Custom"
                        },
                        "ConnString2": {
                            "value": "My SQL connection string",
                            "type": "SQLAzure"
                        }
                    }
                },
                {
                    "apiVersion": "2015-08-01",
                    "name": "slotconfignames",
                    "type": "config",
                    "dependsOn": [
                        "[resourceId('Microsoft.Web/Sites', variables('siteName'))]"
                    ],
                    "properties": {
                        "connectionStringNames": [ "ConnString1" ],
                        "appSettingNames": [ "AppSettingKey1", "AppSettingKey2" ]
                    }
                },
                {
                    "apiVersion": "2015-08-01",
                    "name": "Staging",
                    "type": "slots",
                    "location": "[parameters('siteLocation')]",
                    "dependsOn": [
                        "[resourceId('Microsoft.Web/Sites', variables('siteName'))]"
                    ],
                    "properties": { },
                    "resources": [
                        {
                            "apiVersion": "2015-08-01",
                            "name": "web",
                            "type": "config",
                            "dependsOn": [
                                "[resourceId('Microsoft.Web/Sites/Slots', variables('siteName'), 'Staging')]"
                            ],
                            "properties": "[variables('siteProperties')]"
                        },
                        {
                            "apiVersion": "2015-08-01",
                            "name": "appsettings",
                            "type": "config",
                            "dependsOn": [
                                "[resourceId('Microsoft.Web/Sites/Slots', variables('siteName'), 'Staging')]"
                            ],
                            "properties": {
                                "AppSettingKey1": "Some staging value",
                                "AppSettingKey2": "My second staging setting",
                                "AppSettingKey3": "My third staging setting",
                                "WEBSITE_TIME_ZONE": "Pacific Standard Time"
                            }
                        },
                        {
                            "apiVersion": "2015-08-01",
                            "name": "connectionstrings",
                            "type": "config",
                            "dependsOn": [
                                "[resourceId('Microsoft.Web/Sites/Slots', variables('siteName'), 'Staging')]"
                            ],
                            "properties": {
                                "ConnString1": {
                                    "value": "My custom connection string",
                                    "type": "Custom"
                                },
                                "ConnString2": {
                                    "value": "My SQL connection string",
                                    "type": "SQLAzure"
                                }
                            }
                        }
                    ]
                }
            ]
        }
    ]
}