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/load_config.go

@@ -1,13 +1,29 @@
 package config
 
 import (
+	"os"
+	"path/filepath"
+	"strings"
+
 	"github.com/mitchellh/mapstructure"
 	"github.com/openimsdk/tools/errs"
 	"github.com/spf13/viper"
-	"strings"
 )
 
-func LoadConfig(path string, envPrefix string, config any) error {
+func Load(configDirectory string, configFileName string, envPrefix string, runtimeEnv string, config any) error {
+	if runtimeEnv == KUBERNETES {
+		mountPath := os.Getenv(MountConfigFilePath)
+		if mountPath == "" {
+			return errs.ErrArgs.WrapMsg(MountConfigFilePath + " env is empty")
+		}
+
+		return loadConfig(filepath.Join(mountPath, configFileName), envPrefix, config)
+	}
+
+	return loadConfig(filepath.Join(configDirectory, configFileName), envPrefix, config)
+}
+
+func loadConfig(path string, envPrefix string, config any) error {
 	v := viper.New()
 	v.SetConfigFile(path)
 	v.SetEnvPrefix(envPrefix)