diff --git a/client/client.go b/client/client.go
index 0b1b875..27f4554 100644
--- a/client/client.go
+++ b/client/client.go
@@ -2,7 +2,6 @@ package client
 
 import (
 	"context"
-	"encoding/json"
 	"errors"
 	"fmt"
 	"io"
@@ -49,30 +48,21 @@ type clientConfig struct {
 
 var autorun = flagx.String("autorun", "", "")
 
+type outerconfig struct {
+	Houston *struct {
+		Client clientConfig `json:"client"`
+	} `json:"houston"`
+}
+
 func loadClientConfig() (clientConfig, error) {
-	configFile, err := os.Open("config.json")
-	if err != nil {
-		return clientConfig{}, err
-	}
-	defer configFile.Close()
-
-	var config struct {
-		Houston *struct {
-			Client clientConfig `json:"client"`
-		} `json:"houston"`
-	}
-
-	dec := json.NewDecoder(configFile)
-	err = dec.Decode(&config)
+	var oc outerconfig
+	err := gocommon.LoadConfig[outerconfig](&oc)
 	if err != nil {
+		logger.Println(err)
 		return clientConfig{}, err
 	}
 
-	if config.Houston == nil {
-		return clientConfig{}, errors.New(`"houston" object is missing in config.json`)
-	}
-
-	return config.Houston.Client, nil
+	return oc.Houston.Client, nil
 }
 
 type HoustonClient interface {
diff --git a/server/server.go b/server/server.go
index 9fcb378..d01bc9b 100644
--- a/server/server.go
+++ b/server/server.go
@@ -1,11 +1,10 @@
 package server
 
 import (
-	"encoding/json"
 	"fmt"
 	"net"
-	"os"
 
+	"repositories.action2quare.com/ayo/gocommon"
 	"repositories.action2quare.com/ayo/gocommon/logger"
 	"repositories.action2quare.com/ayo/houston/shared"
 	"repositories.action2quare.com/ayo/houston/shared/protos"
@@ -108,24 +107,15 @@ type Operation interface {
 	DeplyingProgress() []deployingProgress
 }
 
+type outerconfig struct {
+	Houston *struct {
+		Server serverConfig `json:"server"`
+	} `json:"houston"`
+}
+
 func loadServerConfig() serverConfig {
-	configFile, err := os.Open("config.json")
-	if err != nil {
-		logger.Println(err)
-		return serverConfig{
-			GrpcPort: 8080,
-		}
-	}
-	defer configFile.Close()
-
-	var config struct {
-		Houston *struct {
-			Server serverConfig `json:"server"`
-		} `json:"houston"`
-	}
-
-	dec := json.NewDecoder(configFile)
-	err = dec.Decode(&config)
+	var oc outerconfig
+	err := gocommon.LoadConfig[outerconfig](&oc)
 	if err != nil {
 		logger.Println(err)
 		return serverConfig{
@@ -133,14 +123,7 @@ func loadServerConfig() serverConfig {
 		}
 	}
 
-	if config.Houston == nil {
-		logger.Println(`"houston" object is missing in config.json`)
-		return serverConfig{
-			GrpcPort: 8080,
-		}
-	}
-
-	return config.Houston.Server
+	return oc.Houston.Server
 }
 
 func NewServer() HoustonServer {