Example of http request through proxy for Vapor 3

Vapor3HTTPClientRequestProxy.swift

public func boot(_ app: Application) throws {
    let config = URLSessionConfiguration.default
    config.requestCachePolicy = URLRequest.CachePolicy.reloadIgnoringLocalCacheData
    config.connectionProxyDictionary = [AnyHashable: Any]()
    config.connectionProxyDictionary?[kCFNetworkProxiesHTTPEnable as String] = 1
    config.connectionProxyDictionary?[kCFNetworkProxiesHTTPProxy as String] = "proxy-server.com"
    config.connectionProxyDictionary?[kCFNetworkProxiesHTTPPort as String] = 8080
    
    let session = URLSession.init(configuration: config)
    
    let client = FoundationClient(session, on: app)
    let httpReq: HTTPRequest = HTTPRequest(method: HTTPMethod.GET, url: "http://destinationsite.com")
    
    let req = Request(http: httpReq, using: app)
    
    _ = client.send(req).map { res in
        debugPrint(res)
    }.catchMap { err in
        debugPrint(err)
    }
}