Single binary build (#10)

Single binary build
Use go rice for embedding the static files and templates to the binary file

main.go

@@ -2,10 +2,12 @@ package main
 
 import (
 	"fmt"
-
+	rice "github.com/GeertJohan/go.rice"
+	"github.com/labstack/echo/v4"
 	"github.com/ngoduykhanh/wireguard-ui/handler"
 	"github.com/ngoduykhanh/wireguard-ui/router"
 	"github.com/ngoduykhanh/wireguard-ui/util"
+	"net/http"
 )
 
 func main() {
@@ -15,8 +17,14 @@ func main() {
 		fmt.Print("Cannot init database: ", err)
 	}
 
+	// create rice box for embedded template
+	tmplBox := rice.MustFindBox("templates")
+
+	// rice file server for assets. "assets" is the folder where the files come from.
+	assetHandler := http.FileServer(rice.MustFindBox("assets").HTTPBox())
+
 	// register routes
-	app := router.New()
+	app := router.New(tmplBox)
 
 	app.GET("/", handler.WireGuardClients())
 	app.GET("/login", handler.LoginPage())
@@ -33,6 +41,10 @@ func main() {
 	app.POST("/global-settings", handler.GlobalSettingSubmit())
 	app.GET("/api/machine-ips", handler.MachineIPAddresses())
 	app.GET("/api/suggest-client-ips", handler.SuggestIPAllocation())
-	app.GET("/api/apply-wg-config", handler.ApplyServerConfig())
+	app.GET("/api/apply-wg-config", handler.ApplyServerConfig(tmplBox))
+
+	// servers other static files
+	app.GET("/static/*", echo.WrapHandler(http.StripPrefix("/static/", assetHandler)))
+
 	app.Logger.Fatal(app.Start("0.0.0.0:5000"))
 }