let app = WebServiceApp { environment in
    let apiKey = try environment.get("API_KEY")

    Homepage(apiKey: apiKey) {

        HTTP(host: "127.0.0.1", port: 8080) {
            Logging.resolve
        } plugins: {
            OpenAPI() {
                Logging.resolve
            }
        }

        Logging {
            StandardOutputLogging(level: .info)
            StandardErrorLogging(level: .error)
        }
    }
}
try await app.run()

@Handler(method: .POST, path: "greet")
struct GreetUser {

    @Query("locale")
    var locale: BCP47Locale = BCP47Locale(languageCode: .english)

    @Body
    var user: User

    @Responding(status: .ok)
    var response

    func handle() async throws -> String {
        switch locale.languageCode {
        case .german:
            return "Hallo, \(user.name.capitalized)!"
        case .french:
            return "Bonjour, \(user.name.capitalized)!"
        default:
            return "Hello, \(user.name.capitalized)!"
        }
    }
}

@Handler(method: .GET, path: "echo")
struct GetEcho {

    func handle() async throws -> WebSocketResponse {
        WebSocketResponse { inbound, outbound in
            for await message in inbound {
                outbound.yield(message)
            }
        }
    }
}

@Handler(method: .GET, path: "prices")
struct GetPrices {

    func handle() async throws -> SSEResponse {
        SSEResponse { continuation in
            for await price in priceFeed {
                continuation.yield(data: price, event: "price")
            }
            continuation.finish()
        }
    }
}

Article {
    HeaderSection {
        Heading1 { Text(post.title) }
        Time(post.publishedAt)
    }
    Paragraph { Text(post.lead) }
    Figure {
        Image().src(post.imageURL)
        FigureCaption { Text(post.caption) }
    }
}

VStack {
    Text(string: title)
        .fontSize(.largeTitle)
        .fontWeight(.bold)

    for product in products {
        HStack {
            Text(string: product.name)
            Spacer()
            Text(string: product.price)
                .fontWeight(.semiBold)
        }
        .padding(.vertical, ._2)
    }
}
.gap(._4)
.padding(._5)

Button {
    Text(string: "Load more")
}
.hxGet(baseURI + GetArticles.uri(page: nextPage))
.hxTarget("#feed")
.hxSwap(.append)
.hxTrigger("click")