run method

@override Future<void> run()

Runs this command.

The return value is wrapped in a Future if necessary and returned by CommandRunner.runCommand.

Implementation

@override
Future<void> run() async {
  final shell = Shell();

  print('Generating server...');
  try {
    // Run build_runner to generate server code
    await shell.run(
      'dart run build_runner build --delete-conflicting-outputs',
    );
    print('Build completed successfully.');

    // Generate the Dockerfile
    const dockerfileContents = '''
# ========= Stage 1: Dependencies =========
FROM dart:stable AS dependencies

WORKDIR /app

# Copy only dependency files initially to leverage docker caching
COPY pubspec.* ./

# Fetch dependencies
RUN dart pub get
RUN dart pub global activate ruta_cli

# ========= Stage 2: Code Analysis and Tests =========
FROM dependencies AS test

# Copy entire source code into the image for testing
COPY . .

# Run analysis to ensure code quality (linting, analysis, formatting checks)
RUN dart analyze

# Run tests to validate the application before building the executable
RUN dart test

# ========= Stage 3: Build (compile binary) =========
FROM dependencies AS build

# Copy entire codebase again (after tests have passed)
COPY . .

# Generate a production build.
RUN dart pub global run ruta_cli build

# Compile to native executable
RUN dart compile exe .ruta/server.dart -o /app/server

# ========= Stage 4: Runtime =========
FROM scratch

# Copy executable built from previous stage
COPY --from=build /runtime/ /
COPY --from=build /app/server /app/server

# Define exposed ports, environment, etc.
EXPOSE 8080

# Start your Dart executable
ENTRYPOINT ["/app/server"]
''';

    final dockerfile = File('Dockerfile');

    // Determine whether to overwrite or skip based on the flag
    final overwrite = argResults!['overwrite-dockerfile'] as bool;

    if (overwrite || !dockerfile.existsSync()) {
      await dockerfile.writeAsString(dockerfileContents);
      print('Dockerfile created successfully.');
    } else {
      print(
        'Dockerfile already exists. Use --overwrite-dockerfile to overwrite it.',
      );
    }
  } catch (e) {
    throw Exception('Error running build_runner or creating Dockerfile: $e');
  }
}