code refactoring, updated dockerfile

server/middleware/jwt.go

@@ -29,7 +29,7 @@ var Authenticated = func(c *fiber.Ctx) error {
 		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
 			return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
 		}
-		return []byte(os.Getenv("JWTSECRET")), nil
+		return []byte(os.Getenv("JWT_SECRET")), nil
 	})
 
 	if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {

server/rest/handlers.go

@@ -164,7 +164,7 @@ func Login(ctx *fiber.Ctx) error {
 		"expiresAt": time.Now().Add(time.Minute * 30),
 	})
 
-	tokenString, err := token.SignedString([]byte(os.Getenv("JWTSECRET")))
+	tokenString, err := token.SignedString([]byte(os.Getenv("JWT_SECRET")))
 	if err != nil {
 		return ctx.SendStatus(fiber.StatusInternalServerError)
 	}