diff --git a/backend/internal/service/hydra_admin_service.go b/backend/internal/service/hydra_admin_service.go
index b86ebaba..ef1e0911 100644
--- a/backend/internal/service/hydra_admin_service.go
+++ b/backend/internal/service/hydra_admin_service.go
@@ -2,6 +2,7 @@ package service
 
 import (
 	"baron-sso-backend/internal/domain"
+	"baron-sso-backend/internal/utils"
 	"bytes"
 	"context"
 	"encoding/json"
@@ -27,8 +28,8 @@ type HydraAdminService struct {
 
 func NewHydraAdminService() *HydraAdminService {
 	return &HydraAdminService{
-		AdminURL:  getenv("HYDRA_ADMIN_URL", "http://hydra:4445"),
-		PublicURL: getenv("HYDRA_PUBLIC_URL", "http://hydra:4444"),
+		AdminURL:  utils.GetEnv("HYDRA_ADMIN_URL", "http://hydra:4445"),
+		PublicURL: utils.GetEnv("HYDRA_PUBLIC_URL", "http://hydra:4444"),
 	}
 }
 
diff --git a/backend/internal/service/keto_service.go b/backend/internal/service/keto_service.go
index 4b329eae..2eeab758 100644
--- a/backend/internal/service/keto_service.go
+++ b/backend/internal/service/keto_service.go
@@ -1,6 +1,7 @@
 package service
 
 import (
+	"baron-sso-backend/internal/utils"
 	"bytes"
 	"context"
 	"encoding/json"
@@ -9,7 +10,6 @@ import (
 	"log/slog"
 	"net/http"
 	"net/url"
-	"os"
 	"time"
 )
 
@@ -28,14 +28,8 @@ type ketoService struct {
 }
 
 func NewKetoService() KetoService {
-	readURL := os.Getenv("KETO_READ_URL")
-	if readURL == "" {
-		readURL = "http://keto:4466"
-	}
-	writeURL := os.Getenv("KETO_WRITE_URL")
-	if writeURL == "" {
-		writeURL = "http://keto:4467"
-	}
+	readURL := utils.GetEnv("KETO_READ_URL", "http://keto:4466")
+	writeURL := utils.GetEnv("KETO_WRITE_URL", "http://keto:4467")
 
 	return &ketoService{
 		readURL:  readURL,
diff --git a/backend/internal/service/kratos_admin_service.go b/backend/internal/service/kratos_admin_service.go
index 800407d4..03e9669e 100644
--- a/backend/internal/service/kratos_admin_service.go
+++ b/backend/internal/service/kratos_admin_service.go
@@ -1,6 +1,7 @@
 package service
 
 import (
+	"baron-sso-backend/internal/utils"
 	"bytes"
 	"context"
 	"encoding/json"
@@ -28,7 +29,7 @@ type KratosAdminService struct {
 
 func NewKratosAdminService() *KratosAdminService {
 	return &KratosAdminService{
-		AdminURL: getenvKratos("KRATOS_ADMIN_URL", "http://kratos:4434"),
+		AdminURL: utils.GetEnv("KRATOS_ADMIN_URL", "http://kratos:4434"),
 	}
 }
 
@@ -227,8 +228,9 @@ func (s *KratosAdminService) httpClient() *http.Client {
 }
 
 func getenvKratos(key, fallback string) string {
-	if v := os.Getenv(key); v != "" {
-		return v
+	v := os.Getenv(key)
+	if v == "" {
+		return fallback
 	}
-	return fallback
+	return strings.Trim(v, "\"")
 }
diff --git a/backend/internal/service/ory_service.go b/backend/internal/service/ory_service.go
index bab1e8c0..48cab108 100644
--- a/backend/internal/service/ory_service.go
+++ b/backend/internal/service/ory_service.go
@@ -2,6 +2,7 @@ package service
 
 import (
 	"baron-sso-backend/internal/domain"
+	"baron-sso-backend/internal/utils"
 	"bytes"
 	"context"
 	"encoding/json"
@@ -27,9 +28,9 @@ type OryProvider struct {
 
 func NewOryProvider() *OryProvider {
 	return &OryProvider{
-		KratosAdminURL:  getenv("KRATOS_ADMIN_URL", "http://kratos:4434"),
-		KratosPublicURL: getenv("KRATOS_PUBLIC_URL", "http://kratos:4433"),
-		HydraAdminURL:   getenv("HYDRA_ADMIN_URL", "http://hydra:4445"),
+		KratosAdminURL:  utils.GetEnv("KRATOS_ADMIN_URL", "http://kratos:4434"),
+		KratosPublicURL: utils.GetEnv("KRATOS_PUBLIC_URL", "http://kratos:4433"),
+		HydraAdminURL:   utils.GetEnv("HYDRA_ADMIN_URL", "http://hydra:4445"),
 	}
 }
 
@@ -727,10 +728,12 @@ func (o *OryProvider) UpdateUserPassword(loginID, newPassword string, r *http.Re
 }
 
 func getenv(key, fallback string) string {
-	if v := os.Getenv(key); v != "" {
-		return v
+	v := os.Getenv(key)
+	if v == "" {
+		return fallback
 	}
-	return fallback
+	// Strip surrounding double quotes if present
+	return strings.Trim(v, "\"")
 }
 
 // findIdentityID: Kratos Admin API에서 credentials_identifier로 검색 후 첫 번째 identity id 반환
diff --git a/backend/internal/utils/env.go b/backend/internal/utils/env.go
new file mode 100644
index 00000000..6e61dc32
--- /dev/null
+++ b/backend/internal/utils/env.go
@@ -0,0 +1,22 @@
+package utils
+
+import (
+	"os"
+	"strings"
+)
+
+// GetEnv retrieves the value of the environment variable named by the key.
+// It returns the value if it exists, otherwise it returns the fallback value.
+// It automatically strips surrounding double quotes from the value.
+func GetEnv(key, fallback string) string {
+	v := os.Getenv(key)
+	if v == "" {
+		return fallback
+	}
+	// Strip surrounding double quotes if present
+	v = strings.TrimSpace(v)
+	if len(v) >= 2 && v[0] == '"' && v[len(v)-1] == '"' {
+		return v[1 : len(v)-1]
+	}
+	return v
+}