Shelf middleware that compresses responses with GZIP
import 'dart:io';
import 'dart:async' show runZoned;
import 'package:path/path.dart' show join, dirname;
import 'package:shelf/shelf.dart' as shelf;
import 'package:shelf/shelf_io.dart' as shelf_io;
import 'package:shelf_static/shelf_static.dart';
import 'package:shelf_gzip/shelf_gzip.dart';
void main() {
// Assumes the server lives in bin/ and that `pub build` ran
var pathToBuild =
join(dirname(Platform.script.toFilePath()), '..', 'build/web');
var staticHandler =
createStaticHandler(pathToBuild, defaultDocument: 'index.html');
var portEnv = Platform.environment['PORT'];
var port = portEnv == null ? 9999 : int.parse(portEnv);
runZoned(() async {
var handler = const shelf.Pipeline()
.addMiddleware(gzipMiddleware)
.addHandler(staticHandler);
await shelf_io.serve(handler, '0.0.0.0', port);
print("Serving $pathToBuild on port $port");
}, onError: (e, stackTrace) => print('Server error: $e $stackTrace'));
}
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