api: allow gzipped response

api/utils_gzip.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"bytes"
+	"compress/gzip"
+)
+
+func gzipStatic(b []byte) ([]byte, error) {
+	var buf bytes.Buffer
+	g := gzip.NewWriter(&buf)
+	if _, err := g.Write(b); err != nil {
+		g.Close()
+		return []byte{}, err
+	}
+
+	g.Close()
+	return buf.Bytes(), nil
+}