feat: init project

server/embed_frontend.go

@@ -0,0 +1,43 @@
+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"),
+	}))
+}