build: implement services image build and CI release. (#2920)

* build: implement services image build.

* remove unused tools

* update test.

* update images.

* update dockerfile and go mod.

* update go mod.

* Add comments.

* update go pkg.

* update loadConfig and discovery logic in kubernetes.

* update go pkg and discovery field.

* update Load method args.

pkg/common/config/config.go

@@ -15,10 +15,11 @@
 package config
 
 import (
-	"github.com/openimsdk/tools/s3/aws"
 	"strings"
 	"time"
 
+	"github.com/openimsdk/tools/s3/aws"
+
 	"github.com/openimsdk/tools/db/mongoutil"
 	"github.com/openimsdk/tools/db/redisutil"
 	"github.com/openimsdk/tools/mq/kafka"
@@ -474,9 +475,14 @@ type ZooKeeper struct {
 type Discovery struct {
 	Enable     string     `mapstructure:"enable"`
 	Etcd       Etcd       `mapstructure:"etcd"`
+	Kubernetes Kubernetes `mapstructure:"kubernetes"`
 	RpcService RpcService `mapstructure:"rpcService"`
 }
 
+type Kubernetes struct {
+	Namespace string `mapstructure:"namespace"`
+}
+
 type Etcd struct {
 	RootDirectory string   `mapstructure:"rootDirectory"`
 	Address       []string `mapstructure:"address"`