sync. refactoring for code re-use

backend/src/security-layer/container/serveAPI.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"github.com/gorilla/mux"
+	"log"
+	"net/http"
+	"time"
+)
+
+// Serve an API using mux.Router().Host({domain}).Subrouter().
+// Provide the router, domain, an array of endpoints and functions, and
+// the port you would like the API accessible to.
+func serveApi(
+	router *mux.Router,
+	domain string,
+	endpoint []string,
+	function []func(http.ResponseWriter, *http.Request),
+	port int,
+) {
+	// TODO: Add error handling
+	apiR := router.Host(domain).Subrouter()
+
+	for i := 0; i < len(endpoint); i++ {
+		apiR.HandleFunc(endpoint[i], function[i])
+	}
+
+	apiSrv := &http.Server{
+		Addr:         "0.0.0.0:" + string(port),
+		WriteTimeout: time.Second * 15,
+		ReadTimeout:  time.Second * 15,
+		IdleTimeout:  time.Second * 60,
+		Handler:      apiR,
+	}
+
+	go func() {
+		if err := apiSrv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+			log.Println(err)
+		}
+	}()
+
+	log.Println("API server is running on port " + string(port))
+}