diff --git a/backend/.gitignore b/backend/.gitignore
index 4264f2fd..747bf72a 100644
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -1,2 +1,4 @@
 .env
-*.sql
\ No newline at end of file
+*.sql
+fly.toml
+Dockerfile
\ No newline at end of file
diff --git a/backend/handlers/auth_api.go b/backend/handlers/auth_api.go
index 9d368b55..accd0f4d 100644
--- a/backend/handlers/auth_api.go
+++ b/backend/handlers/auth_api.go
@@ -73,7 +73,7 @@ func LoginHandler(c *fiber.Ctx) error {
 	response.Token = token
 
 	// Setting the token in a secure cookie
-	cookie := services.GenerateCookie(token)
+	cookie := services.GenerateLoginCookie(token)
 	c.Cookie(&cookie)
 
 	return c.JSON(response)
diff --git a/backend/handlers/oauth_api.go b/backend/handlers/oauth_api.go
index adf5fc26..beac73f5 100644
--- a/backend/handlers/oauth_api.go
+++ b/backend/handlers/oauth_api.go
@@ -69,7 +69,7 @@ func GetGoogleCallbackHandler(conf *oauth2.Config) fiber.Handler {
 		clientAddr := fmt.Sprintf("%s/%s=%s", os.Getenv("CLIENT_ADRR"), os.Getenv("CLIENT_REDIRECT_ENDPOINT"), loginToken)
 
 		// Setting the token in a secure cookie
-		cookie := services.GenerateCookie(loginToken)
+		cookie := services.GenerateLoginCookie(loginToken)
 		c.Cookie(&cookie)
 		return c.Redirect(clientAddr)
 	}
diff --git a/backend/main.go b/backend/main.go
index fc56ec1b..730e82ee 100644
--- a/backend/main.go
+++ b/backend/main.go
@@ -30,6 +30,7 @@ func main() {
 	setTokenExpirationTime()
 	services.AWS_REGION = os.Getenv("AWS_REGION")
 	services.S3_BUCKET_NAME = os.Getenv("AWS_BUCKET_NAME")
+	middlewares.TOKEN_COOKIE = os.Getenv("TOKEN_COOKIE")
 
 	// Initialize database connection
 	if err := database.Connect(); err != nil {
diff --git a/backend/middlewares/auth_middleware.go b/backend/middlewares/auth_middleware.go
index 255f69dc..64970aea 100644
--- a/backend/middlewares/auth_middleware.go
+++ b/backend/middlewares/auth_middleware.go
@@ -4,7 +4,6 @@ import (
 	"chulbong-kr/database"
 	"database/sql"
 	"log"
-	"strings"
 	"time"
 
 	"github.com/gofiber/fiber/v2"
@@ -20,28 +19,28 @@ import (
 //     SameSite: "Lax", // or "Strict" depending on your requirements
 // })
 
+var TOKEN_COOKIE string
+
 // AuthMiddleware checks for a valid opaque token in the Authorization header
 func AuthMiddleware(c *fiber.Ctx) error {
-	authHeader := c.Get("Authorization")
+	// check for the cookie
+	jwtCookie := c.Cookies(TOKEN_COOKIE)
+	if jwtCookie == "" {
+		return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "No authorization token provided"})
+	}
+	token := jwtCookie
 
-	var token string
+	// // Check if the Authorization header is provided
+	// if authHeader != "" {
+	// 	// Split the Authorization header to extract the token
+	// 	parts := strings.SplitN(authHeader, " ", 2)
+	// 	if len(parts) != 2 || !strings.EqualFold(parts[0], "Bearer") {
+	// 		return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "Authorization header format must be Bearer {token}"})
+	// 	}
+	// 	token = parts[1] // The actual token part
+	// } else {
 
-	// Check if the Authorization header is provided
-	if authHeader != "" {
-		// Split the Authorization header to extract the token
-		parts := strings.SplitN(authHeader, " ", 2)
-		if len(parts) != 2 || !strings.EqualFold(parts[0], "Bearer") {
-			return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "Authorization header format must be Bearer {token}"})
-		}
-		token = parts[1] // The actual token part
-	} else {
-		// If Authorization header is missing, check for the cookie
-		jwtCookie := c.Cookies("jwt")
-		if jwtCookie == "" {
-			return c.Status(fiber.StatusUnauthorized).JSON(fiber.Map{"error": "No authorization token provided"})
-		}
-		token = jwtCookie
-	}
+	// }
 
 	query := `SELECT UserID, ExpiresAt FROM OpaqueTokens WHERE OpaqueToken = ?`
 	var userID int
diff --git a/backend/services/token_service.go b/backend/services/token_service.go
index b4d4ba3d..191cc88d 100644
--- a/backend/services/token_service.go
+++ b/backend/services/token_service.go
@@ -2,6 +2,7 @@ package services
 
 import (
 	"chulbong-kr/database"
+	"chulbong-kr/middlewares"
 	"crypto/rand"
 	"encoding/base64"
 	"encoding/hex"
@@ -58,9 +59,9 @@ func GenerateState() string {
 	return base64.URLEncoding.EncodeToString(b)
 }
 
-func GenerateCookie(value string) fiber.Cookie {
+func GenerateLoginCookie(value string) fiber.Cookie {
 	return fiber.Cookie{
-		Name:     "jwt",
+		Name:     middlewares.TOKEN_COOKIE,
 		Value:    value,                          // The token generated for the user
 		Expires:  time.Now().Add(24 * time.Hour), // Set the cookie to expire in 24 hours
 		HTTPOnly: true,                           // Ensure the cookie is not accessible through client-side scripts