{{define "auth"}} <html> <head></head> <body> <h1>Login page</h1> <p>{{.error}}</p> <p>{{.realError}}</p> <form method="post"> {{ .csrfField }} Username : <input type="text" name="username" /> Password : <input type="text" name="password" /> <input type="submit" value="Submit"> </form> </body> </html> {{end}}