README.md

Dart Template for OpenFaaS

An OpenFaaS template for writing serverless functions in Dart.

Usage

First, fetch the template:

$ faas-cli template pull https://github.com/adaptant-labs/openfaas-dart-template
Fetch templates from repository: https://github.com/adaptant-labs/openfaas-dart-template at master
2019/09/17 00:57:59 Attempting to expand templates from https://github.com/adaptant-labs/openfaas-dart-template
2019/09/17 00:58:00 Fetched 1 template(s) : [dart] from https://github.com/adaptant-labs/openfaas-dart-template

Then begin a new project:

$ faas-cli new hellodart --lang dart

Make some modifications to hellodart/lib/handler.dart and hellodart/pubspec.yaml:

import 'dart:core';
import 'dart:io';

String Handle(String req) {
  final begin = DateTime.now();

  print("Hello from Dart! -- Invoked at: " + begin.toIso8601String());

  // Do some work
  sleep(Duration(milliseconds: 20));

  final elapsed = DateTime.now().difference(begin).inMilliseconds;

  print(elapsed.toString() + "ms elapsed");

  return req;
}

Build, deploy, and test:

$ faas-cli build -f hellodart.yml
$ faas-cli deploy -f hellodart.yml
$ echo | faas-cli invoke hellodart
Hello from Dart! -- Invoked at: 2019-09-16T23:15:04.095636
23ms elapsed

Features and bugs

Please file feature requests and bugs at the issue tracker.

License

Licensed under the terms of the MIT license, the main license under which the OpenFaaS project is licensed. For additional information, the full version of the license can be found in the LICENSE file included in this distribution.

Acknowledgements

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 825480.