Add: embed web files

main.go

@@ -1,8 +1,10 @@
 package main
 
 import (
+	"embed"
 	"encoding/json"
 	"flag"
+	"io/fs"
 	"log"
 	"msw-open-music/pkg/api"
 	"msw-open-music/pkg/commonconfig"
@@ -15,11 +17,21 @@ func init() {
 	flag.StringVar(&ConfigFilePath, "config", "config.json", "backend config file path")
 }
 
+//go:embed web/build
+var WEBFILES embed.FS
+
 func main() {
 	var err error
 	flag.Parse()
 
-	config := commonconfig.Config{}
+	WEBFS, err := fs.Sub(WEBFILES, "web/build")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	config := commonconfig.Config{
+		WEBFS: WEBFS,
+	}
 	configFile, err := os.Open(ConfigFilePath)
 	if err != nil {
 		log.Fatal(err)

pkg/api/api.go

@@ -1,11 +1,12 @@
 package api
 
 import (
-	"github.com/gorilla/sessions"
 	"msw-open-music/pkg/commonconfig"
 	"msw-open-music/pkg/database"
 	"msw-open-music/pkg/tmpfs"
 	"net/http"
+
+	"github.com/gorilla/sessions"
 )
 
 type API struct {
@@ -103,7 +104,7 @@ func NewAPI(config commonconfig.Config) (*API, error) {
 	apiMux.HandleFunc("/reset", api.HandleReset)
 
 	mux.Handle("/api/v1/", http.StripPrefix("/api/v1", api.PermissionMiddleware(apiMux)))
-	mux.Handle("/", http.StripPrefix("/", http.FileServer(http.Dir("web/build"))))
+	mux.Handle("/", http.StripPrefix("/", http.FileServer(http.FS(config.WEBFS))))
 
 	return api, nil
 }

pkg/commonconfig/config.go

@@ -1,8 +1,11 @@
 package commonconfig
 
+import "io/fs"
+
 type Config struct {
 	APIConfig   APIConfig   `json:"api"`
 	TmpfsConfig TmpfsConfig `json:"tmpfs"`
+	WEBFS       fs.FS
 }
 
 type APIConfig struct {