update module/import paths to new name, add cli framework

s3api/server.go

@@ -1,9 +1,11 @@
 package s3api
 
 import (
+	"crypto/tls"
+
 	"github.com/gofiber/fiber/v2"
 	"github.com/gofiber/fiber/v2/middleware/logger"
-	"github.com/versity/scoutgw/backend"
+	"github.com/versity/versitygw/backend"
 )
 
 type S3ApiServer struct {
@@ -11,16 +13,37 @@ type S3ApiServer struct {
 	backend backend.Backend
 	router  *S3ApiRouter
 	port    string
+	cert    *tls.Certificate
 }
 
-func New(app *fiber.App, be backend.Backend, port string) (s3ApiServer *S3ApiServer, err error) {
-	s3ApiServer = &S3ApiServer{app, be, new(S3ApiRouter), port}
+func New(app *fiber.App, be backend.Backend, port string, opts ...Option) (*S3ApiServer, error) {
+	server := &S3ApiServer{
+		app:     app,
+		backend: be,
+		router:  new(S3ApiRouter),
+		port:    port,
+	}
+
+	for _, opt := range opts {
+		opt(server)
+	}
 
 	app.Use(logger.New())
-	s3ApiServer.router.Init(app, be)
-	return
+	server.router.Init(app, be)
+	return server, nil
+}
+
+// Option sets various options for New()
+type Option func(*S3ApiServer)
+
+// WithTLS sets TLS Credentials
+func WithTLS(cert tls.Certificate) Option {
+	return func(s *S3ApiServer) { s.cert = &cert }
 }
 
 func (sa *S3ApiServer) Serve() (err error) {
+	if sa.cert != nil {
+		return sa.app.ListenTLSWithCertificate(sa.port, *sa.cert)
+	}
 	return sa.app.Listen(sa.port)
 }