Use go-bindata instead of esc

.gitignore

@@ -1,3 +1,3 @@
 chldapasswd
 config.json
-static.go
+bindata.go

main.go

@@ -1,6 +1,5 @@
 package main
 
-//go:generate esc -o static.go static
 import (
 	"context"
 	"encoding/json"

static.go

@@ -1,25 +1,19 @@
 package main
 
+//go:generate go-bindata -ignore "\\.go|\\.less" -pkg "main" -o "bindata.go" static/...
+//go:generate go fmt bindata.go
+
 import (
 	"html/template"
 	"net/http"
-	"path"
 )
 
 func displayTmpl(w http.ResponseWriter, page string, vars map[string]interface{}) {
-	t := template.New("index")
-	for _, fname := range []string{
-		"/static/change.html",
-		"/static/footer.html",
-		"/static/header.html",
-		"/static/login.html",
-		"/static/lost.html",
-		"/static/message.html",
-		"/static/reset.html",
-	} {
-		t.New(path.Base(fname)).Parse(FSMustString(false, fname))
-	}
-	t.ExecuteTemplate(w, page, vars)
+	data := MustAsset("static/" + page)
+	tpl := template.Must(template.New("page").Parse(string(data)))
+	tpl.New("footer.html").Parse(string(MustAsset("static/footer.html")))
+	tpl.New("header.html").Parse(string(MustAsset("static/header.html")))
+	tpl.ExecuteTemplate(w, "page", vars)
 }
 
 func displayTmplError(w http.ResponseWriter, statusCode int, page string, vars map[string]interface{}) {