Vapor with APIProtocol

main.swift

import Foundation
import Vapor
import OpenAPIRuntime
import OpenAPIVapor

struct GreetingService: APIProtocol {
  func getGreeting(_ input: Operations.getGreeting.Input) async throws -> Operations.getGreeting.Output {
    let name = input.query.name ?? "Stranger"
    let greeting = Components.Schemas.Greeting(message: "Hello, \(name)!")
    return .ok(.init(body: .json(greeting)))
  }
}

let app = Application()

let transport = VaporTransport(routesBuilder: app)

let handler = GreetingService()
try handler.registerHandlers(on: transport, serverURL: .init(string: "v1")!)

try app.run()