package server import ( "embed" "io/fs" "net/http" "github.com/labstack/echo/v4" "github.com/labstack/echo/v4/middleware" ) //go:embed dist var embeddedFiles embed.FS func getFileSystem(path string) http.FileSystem { fs, err := fs.Sub(embeddedFiles, path) if err != nil { panic(err) } return http.FS(fs) } func embedFrontend(e *echo.Echo) { // Use echo static middleware to serve the built dist folder // refer: https://github.com/labstack/echo/blob/master/middleware/static.go e.Use(middleware.StaticWithConfig(middleware.StaticConfig{ HTML5: true, Filesystem: getFileSystem("dist"), })) g := e.Group("assets") g.Use(func(next echo.HandlerFunc) echo.HandlerFunc { return func(c echo.Context) error { c.Response().Header().Set(echo.HeaderCacheControl, "max-age=31536000, immutable") return next(c) } }) g.Use(middleware.StaticWithConfig(middleware.StaticConfig{ HTML5: true, Filesystem: getFileSystem("dist/assets"), })) }