initial commit

api/server.go

@@ -0,0 +1,65 @@
+package api
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"strings"
+
+	"github.com/spf13/viper"
+)
+
+// Server provides an http.Server
+type Server struct {
+	*http.Server
+}
+
+// NewServer creates and configures an APIServer serving all application routes.
+func NewServer() (*Server, error) {
+	log.Println("configuring server...")
+	api, err := NewAPI()
+	if err != nil {
+		return nil, err
+	}
+
+	var addr string
+	port := viper.GetString("port")
+
+	// allow port to be set as localhost:3000 in env during development to avoid "accept incoming network connection" request on restarts
+	if strings.Contains(port, ":") {
+		addr = port
+	} else {
+		addr = ":" + port
+	}
+
+	srv := http.Server{
+		Addr:    addr,
+		Handler: api,
+	}
+
+	return &Server{&srv}, nil
+}
+
+// Start runs ListenAndServe on the http.Server with graceful shutdown
+func (srv *Server) Start() {
+	log.Println("starting server...")
+	go func() {
+		if err := srv.ListenAndServe(); err != nil {
+			panic(err)
+		}
+	}()
+	log.Printf("Listening on %s\n", srv.Addr)
+
+	quit := make(chan os.Signal)
+	signal.Notify(quit, os.Interrupt)
+	sig := <-quit
+	log.Println("Shutting down server... Reason:", sig)
+	// teardown logic...
+
+	if err := srv.Shutdown(context.Background()); err != nil {
+		panic(err)
+	}
+	log.Println("Server gracefully stopped")
+}