Examples: Adopt the structure used in hummingbird-examples

Author: euanh

Examples/HelloWorldWithResources/Sources/App.swift

@@ -0,0 +1,29 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the SwiftContainerPlugin open source project
+//
+// Copyright (c) 2025 Apple Inc. and the SwiftContainerPlugin project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of SwiftContainerPlugin project authors
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
+@main
+struct Hello {
+    static let hostname = "0.0.0.0"
+    static let port = 8080
+
+    static func main() async throws {
+        let app = buildApplication(
+            configuration: .init(
+                address: .hostname(hostname, port: port),
+                serverName: "Hummingbird"
+            )
+        )
+        try await app.runService()
+    }
+}

Examples/HelloWorldWithResources/Sources/Application+build.swift

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+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the SwiftContainerPlugin open source project
+//
+// Copyright (c) 2025 Apple Inc. and the SwiftContainerPlugin project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of SwiftContainerPlugin project authors
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
+import Foundation
+import Hummingbird
+import Logging
+
+let myos = ProcessInfo.processInfo.operatingSystemVersionString
+
+func buildApplication(configuration: ApplicationConfiguration) -> some ApplicationProtocol {
+    let router = Router()
+    router.addMiddleware { LogRequestsMiddleware(.info) }
+    router.get("/") { _, _ in
+        let faces = [
+            "happy-cat-face",
+            "slightly-smiling-face",
+            "smiling-face-with-sunglasses",
+        ]
+
+        guard let resourceURL = Bundle.module.url(forResource: faces.randomElement(), withExtension: "jpg") else {
+            throw HTTPError(.internalServerError)
+        }
+
+        let image = try Data(contentsOf: resourceURL)
+
+        return Response(
+            status: .ok,
+            headers: [.contentType: "image/jpg"],
+            body: .init(byteBuffer: ByteBuffer(bytes: image))
+        )
+    }
+
+    let app = Application(
+        router: router,
+        configuration: configuration,
+        logger: Logger(label: "hello-with-resources")
+    )
+
+    return app
+}