From 6c5c304492267a2b657e58abb65e1de940e8ee18 Mon Sep 17 00:00:00 2001
From: Googol Lee <i@googol.im>
Date: Thu, 29 Aug 2024 09:01:42 +0200
Subject: [PATCH] Fix the default value of BUILD_DATE. (#1027)

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 25d9093..9e6e3fb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,7 +29,7 @@ COPY ui/package.json ui/package-lock.json /app/ui
 RUN npm ci
 
 COPY ui/ /app/ui
-RUN if [ "$BUILD_DATE" = "" ]; then \
+RUN if [ "${BUILD_DATE}" = "undefined" ]; then \
     export BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ'); \
     export REACT_APP_BUILD_DATE=${BUILD_DATE}; \
   fi; \