add config

config/options.go

@@ -0,0 +1,28 @@
+package config
+
+import (
+	"github.com/micro/go-micro/config/loader"
+	"github.com/micro/go-micro/config/reader"
+	"github.com/micro/go-micro/config/source"
+)
+
+// WithLoader sets the loader for manager config
+func WithLoader(l loader.Loader) Option {
+	return func(o *Options) {
+		o.Loader = l
+	}
+}
+
+// WithSource appends a source to list of sources
+func WithSource(s source.Source) Option {
+	return func(o *Options) {
+		o.Source = append(o.Source, s)
+	}
+}
+
+// WithReader sets the config reader
+func WithReader(r reader.Reader) Option {
+	return func(o *Options) {
+		o.Reader = r
+	}
+}