diff --git a/backend/src/security-layer/container/authentication.go b/backend/src/security-layer/container/authentication.go
index e2a4381..2152d1e 100644
--- a/backend/src/security-layer/container/authentication.go
+++ b/backend/src/security-layer/container/authentication.go
@@ -208,12 +208,12 @@ func validateHash(decrypted string, hash string) bool {
 // Authentication takes place solely on the backend.
 func ServeAuthentication(
 	router *mux.Router,
-	port int,
+	port string,
 ) {
 	// TODO: Add error handling
 	authR := router.Host("http://localhost").Subrouter()
 	authSrv := &http.Server{
-		Addr:         "0.0.0.0:" + string(port),
+		Addr:         "0.0.0.0:" + port,
 		WriteTimeout: time.Second * 15,
 		ReadTimeout:  time.Second * 15,
 		IdleTimeout:  time.Second * 60,
@@ -226,5 +226,5 @@ func ServeAuthentication(
 		}
 	}()
 
-	log.Println("Auth server is running on port " + string(port))
+	log.Println("Auth server is running on port " + port)
 }
diff --git a/backend/src/security-layer/container/router.go b/backend/src/security-layer/container/router.go
index d8f3952..c8ebe6b 100644
--- a/backend/src/security-layer/container/router.go
+++ b/backend/src/security-layer/container/router.go
@@ -249,9 +249,9 @@ func serve() {
 	r := mux.NewRouter()
  	//for _, webpage := range config.Webpages {
 	//}
-  ServePage(r, config.WebpageDir, "/", config.WebpagePort)
-	ServeApi(r, config.API, endpoint, function, config.APIPort)
-	ServeAuthentication(r, config.AuthPort)
+  ServePage(r, config.WebpageDir, "/", string(config.WebpagePort))
+	ServeApi(r, config.API, endpoint, function, string(config.APIPort))
+	ServeAuthentication(r, string(config.AuthPort))
 	addr := "0.0.0.0:" + string(config.RouterPort)
 
 	srv := &http.Server{
diff --git a/backend/src/security-layer/container/serveAPI.go b/backend/src/security-layer/container/serveAPI.go
index 61ca8e6..1e825f2 100644
--- a/backend/src/security-layer/container/serveAPI.go
+++ b/backend/src/security-layer/container/serveAPI.go
@@ -15,7 +15,7 @@ func ServeApi(
 	domain string,
 	endpoint []string,
 	function []func(http.ResponseWriter, *http.Request),
-	port int,
+	port string,
 ) {
 	// TODO: Add error handling
 	apiR := router.Host(domain).Subrouter()
@@ -25,7 +25,7 @@ func ServeApi(
 	}
 
 	apiSrv := &http.Server{
-		Addr:         "0.0.0.0:" + string(port),
+		Addr:         "0.0.0.0:" + port,
 		WriteTimeout: time.Second * 15,
 		ReadTimeout:  time.Second * 15,
 		IdleTimeout:  time.Second * 60,
@@ -38,5 +38,5 @@ func ServeApi(
 		}
 	}()
 
-	log.Println("API server is running on port " + string(port))
+	log.Println("API server is running on port " + port)
 }
diff --git a/backend/src/security-layer/container/servePage.go b/backend/src/security-layer/container/servePage.go
index cc9dbfb..708511d 100644
--- a/backend/src/security-layer/container/servePage.go
+++ b/backend/src/security-layer/container/servePage.go
@@ -8,11 +8,11 @@ import (
 )
 
 // Serve a directory to a port.
-func ServePage(router *mux.Router, dest string, path string, port int) {
+func ServePage(router *mux.Router, dest string, path string, port string) {
 	router.PathPrefix(path).Handler(http.FileServer(http.Dir(dest)))
 
 	srv := &http.Server{
-		Addr: "0.0.0.0: " + string(port),
+		Addr: "0.0.0.0: " + port,
 		// Good practice to set timeouts to avoid Slowloris attacks.
 		WriteTimeout: time.Second * 15,
 		ReadTimeout:  time.Second * 15,
@@ -27,5 +27,5 @@ func ServePage(router *mux.Router, dest string, path string, port int) {
 		}
 	}()
 
-	log.Println("Web server is running on port " + string(port))
+	log.Println("Web server is running on port " + port)
 }