chore: use echo static middleware to serve dist

.gitignore

-# Binaries for programs and plugins
-*.exe
-*.exe~
-*.dll
-*.so
-*.dylib
-
-# Test binary, built with `go test -c`
-*.test
-
-# Temp output
-*.out
-*.log
-tmp
-
 # Air (hot reload) generated
 .air
 
 # Frontend asset
 web/dist
 
-# Dev database
-data
-
 # build folder
-build
 memos-build
 
 .DS_Store
\ No newline at end of file

server/embed_frontend.go

@@ -6,14 +6,12 @@ import (
 	"net/http"
 
 	"github.com/labstack/echo/v4"
+	"github.com/labstack/echo/v4/middleware"
 )
 
 //go:embed dist
 var embeddedFiles embed.FS
 
-//go:embed dist/index.html
-var indexContent string
-
 func getFileSystem() http.FileSystem {
 	fs, err := fs.Sub(embeddedFiles, "dist")
 	if err != nil {
@@ -24,14 +22,8 @@ func getFileSystem() http.FileSystem {
 }
 
 func embedFrontend(e *echo.Echo) {
-	// Catch-all route to return index.html, this is to prevent 404 when accessing non-root url.
-	// See https://stackoverflow.com/questions/27928372/react-router-urls-dont-work-when-refreshing-or-writing-manually
-	e.GET("/*", func(c echo.Context) error {
-		return c.HTML(http.StatusOK, indexContent)
-	})
-
-	assetHandler := http.FileServer(getFileSystem())
-	e.GET("/assets/*", echo.WrapHandler(assetHandler))
-	e.GET("/icons/*", echo.WrapHandler(assetHandler))
-	e.GET("/favicon.svg", echo.WrapHandler(assetHandler))
+	e.Use(middleware.StaticWithConfig(middleware.StaticConfig{
+		HTML5:      true,
+		Filesystem: getFileSystem(),
+	}))
 }