fix serialization, added benchmark tests, updated next release docs

internal/docker/label_test.go

@@ -0,0 +1,18 @@
+package docker_test
+
+import (
+	"testing"
+
+	"github.com/yusing/go-proxy/internal/docker"
+)
+
+func BenchmarkParseLabels(b *testing.B) {
+	for range b.N {
+		_, _ = docker.ParseLabels(map[string]string{
+			"proxy.a.host":   "localhost",
+			"proxy.a.port":   "4444",
+			"proxy.a.scheme": "http",
+			"proxy.a.middlewares.request.hide_headers": "X-Header1,X-Header2",
+		})
+	}
+}