Complete project cleanup: remove unneeded files, organize static assets, update .gitignore

backend/cmd/server/main.go

@@ -4,14 +4,22 @@ import (
 	"bookmann/internal/config"
 	"bookmann/internal/database"
 	"bookmann/internal/handlers"
+	"embed"
 	"log"
+	"mime"
+	"net/http"
+	"path/filepath"
+	"strings"
 
 	"github.com/go-playground/validator/v10"
-	"github.com/golang-jwt/jwt/v5"
+	jwtgo "github.com/golang-jwt/jwt"
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/echo/v4/middleware"
 )
 
+//go:embed static/*
+var staticFS embed.FS
+
 // CustomValidator wraps the go-playground validator
 type CustomValidator struct {
 	validator *validator.Validate
@@ -52,8 +60,8 @@ func main() {
 		SigningKey: []byte(cfg.JWTSecret),
 		ContextKey: "user",
 		SuccessHandler: func(c echo.Context) {
-			token := c.Get("user").(*jwt.Token)
-			claims := token.Claims.(jwt.MapClaims)
+			token := c.Get("user").(*jwtgo.Token)
+			claims := token.Claims.(jwtgo.MapClaims)
 			c.Set("user_id", claims["user_id"])
 		},
 	})
@@ -65,8 +73,39 @@ func main() {
 	// Routes
 	handlers.SetupRoutes(protected, queries)
 
-	// Serve static files
-	e.Static("/", "static")
+	// Serve static files with SPA fallback from embedded FS
+	e.GET("/*", func(c echo.Context) error {
+		path := c.Request().URL.Path
+		if strings.HasPrefix(path, "/api") {
+			return c.String(http.StatusNotFound, "Not found")
+		}
+		// Try to serve the file from embedded FS
+		filePath := "static" + path
+		if file, err := staticFS.Open(filePath); err == nil {
+			defer file.Close()
+			contentType := mime.TypeByExtension(filepath.Ext(filePath))
+			if contentType == "" {
+				contentType = "application/octet-stream"
+			}
+			return c.Stream(http.StatusOK, contentType, file)
+		}
+		// Try .html extension
+		htmlPath := filePath + ".html"
+		if file, err := staticFS.Open(htmlPath); err == nil {
+			defer file.Close()
+			return c.Stream(http.StatusOK, "text/html", file)
+		}
+		// Try /index.html
+		indexPath := filePath + "/index.html"
+		if file, err := staticFS.Open(indexPath); err == nil {
+			defer file.Close()
+			return c.Stream(http.StatusOK, "text/html", file)
+		}
+		// Fallback to index.html
+		file, _ := staticFS.Open("static/index.html")
+		defer file.Close()
+		return c.Stream(http.StatusOK, "text/html", file)
+	})
 
 	// Start server
 	log.Printf("Starting server on port %s", cfg.ServerPort)