Dart – From scratch to deploy 🚀

$ dart create server

void main(List<String> arguments) {
  print('Hello world!');
}

$ dart pub add shelf

import 'package:shelf/shelf.dart';
import 'package:shelf/shelf_io.dart' as shelf_io;

void main() async {
  var server = await shelf_io.serve(
      (Request request) => Response.ok('Hello World!'), '0.0.0.0', 8080);

  print('Serving at http://${server.address.host}:${server.port}');
}

FROM dart:stable AS build
WORKDIR /app
COPY pubspec.* ./
RUN dart pub get
COPY . .
RUN dart pub get --offline
RUN dart compile exe bin/server.dart -o bin/server
FROM scratch
COPY --from=build /runtime/ /
COPY --from=build /app/bin/server /app/bin/
CMD ["/app/bin/server"]

.dockerignore
resources
CHANGELOG.md
LICENSE
README.md
Dockerfile
build/
.dart_tool/
.git/
.github/
.gitignore
.packages

version: '3'
services:
  dart-server:
    build: .
    ports:
      - "8080:8080"

$ docker compose up

import 'dart:io';

import 'package:shelf/shelf.dart';
import 'package:shelf/shelf_io.dart' as shelf_io;

void main() async {
  var port = int.tryParse(Platform.environment['PORT'] ?? '') ?? 8080;
  var server = await shelf_io.serve(
      (Request request) => Response.ok('Hello World!'), '0.0.0.0', port);

  print('Serving at http://${server.address.host}:${server.port}');
}