Break down connection string for easy reading

azuredeploy.json

@@ -97,9 +97,12 @@
     "databaseSkuTier": "GeneralPurpose",
     "databaseSkuFamily": "Gen5",
     "databaseSkuName": "[concat('GP_', variables('databaseSkuFamily'), '_', parameters('databaseCores'))]",
-    "databaseConnectionString": "[concat('pgsql://', parameters('adminUserName'), '%40', variables('databaseServerName'), ':', parameters('adminPassword'), '@', variables('databaseServerName'), '.postgres.database.azure.com:5432/', parameters('databaseName'))]",
     "databaseVersion": "9.6",
+    "databaseServerPort": 5432,
     "databaseServerName": "[concat(parameters('appName'),'-state')]",
+    "databaseUserCredentials" : "[concat(uriComponent(concat(parameters('adminUserName'), '@', variables('databaseServerName'))), ':', parameters('adminPassword'))]",
+    "databaseFqdn" : "[concat( variables('databaseServerName'), '.postgres.database.azure.com:', variables('databaseServerPort'))]",
+    "databaseConnectionString": "[concat('pgsql://', variables('databaseUserCredentials'), '@', variables('databaseFqdn'), '/', parameters('databaseName'))]",
     "setupScriptName": "[concat(parameters('appName'),'-setup')]",
     "appServicePlanName": "[concat(parameters('appName'),'-hosting')]",
     "analyticsName": "[concat(parameters('appName'),'-analytics')]"
@@ -269,5 +272,11 @@
         "serverFarmId": "[resourceId('Microsoft.Web/serverfarms', variables('appServicePlanName'))]"
       }
     }
-  ]
+  ],
+  "outputs": {
+      "databaseServer": {
+          "type": "string",
+          "value": "[variables('databaseFqdn')]"
+        }
+  }
 }