middleware/compress.go
func DefaultCompress(next http.Handler) http.Handler {
	return Compress(flate.DefaultCompression)(next)
}
func DefaultCompress(next http.Handler) http.Handler {
	return Compress(flate.DefaultCompression)(next)
}
// DefaultCompress is a middleware that compresses response
// body of predefined content types to a data format based
// on Accept-Encoding request header. It uses a default
// compression level.
// DEPRECATED