Set port through configuration

Sources/App/ServerConfiguration.swift

@@ -2,6 +2,8 @@ import Foundation
 
 struct ServerConfiguration: Codable {
     
+    let port: Int
+    
     let logPath: String
     
     let privateKeyFilePath: String

Sources/App/configure.swift

@@ -27,6 +27,8 @@ public func configure(_ app: Application) throws {
         return
     }
     
+    app.http.server.configuration.port = config.port
+    
     guard configureAPNS(config) else {
         return
     }