From aa2be9b96c165d6bde30f5a02fadfe93cc79df5b Mon Sep 17 00:00:00 2001
From: gtoxlili <664037691@qq.com>
Date: Wed, 24 May 2023 21:40:53 +0800
Subject: [PATCH] fix : specify the default hostname if docker builds with a
 proxy

---
 Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index eb6fa0e9..6ca7a59b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,8 +41,8 @@ COPY --from=builder /app/.next/server ./.next/server
 EXPOSE 3000
 
 CMD if [ -n "$PROXY_URL" ]; then \
-        if [ -z "$HOSTNAME" ]; then
-          HOSTNAME="127.0.0.1"
+        if [ -z "$HOSTNAME" ]; then \
+          export HOSTNAME="127.0.0.1" \
         fi; \
         protocol=$(echo $PROXY_URL | cut -d: -f1); \
         host=$(echo $PROXY_URL | cut -d/ -f3 | cut -d: -f1); \