GinGonic self-hosted SPA for bindata

gistfile1.txt

go-bindata -o cmd/bindata.go -fs -prefix "app" dist/...
go build -i -o bin/zpix cmd/*

main.go

package main

import (
	assetfs "github.com/elazarl/go-bindata-assetfs"
	"github.com/gin-gonic/contrib/static"
	"github.com/gin-gonic/gin"
	"log"
	"net/http"
	"strings"
)

type binaryFileSystem struct {
	fs http.FileSystem
}

func (b *binaryFileSystem) Open(name string) (http.File, error) {
	return b.fs.Open(name)
}

func (b *binaryFileSystem) Exists(prefix string, filepath string) bool {

	if p := strings.TrimPrefix(filepath, prefix); len(p) < len(filepath) {
		if _, err := b.fs.Open(p); err != nil {
			return false
		}
		return true
	}
	return false
}

func BinaryFileSystem(root string) *binaryFileSystem {
	fs := &assetfs.AssetFS{Asset, AssetDir, AssetInfo, root}
	return &binaryFileSystem{
		fs,
	}
}

func main() {
	route := gin.Default()

	route.Use(static.Serve("/app", BinaryFileSystem("dist/")))
	route.NoRoute(func(c *gin.Context) {
		data, err := Asset("dist/index.html")
		if err != nil {
			log.Fatalln(err)
		}
		// Write asset
		c.Data(200, "text/html", data)
	})

	err := route.Run("0.0.0.0:8080")
	if err != nil {
		log.Fatalln(err)
	}
}