From 70ae46fcb66bec7677ed2c05aed6b41399cf04ac Mon Sep 17 00:00:00 2001
From: zijiren233 <pyh1670605849@gmail.com>
Date: Wed, 26 Aug 2026 01:29:15 +0800
Subject: [PATCH] fix(docker): preserve workspace Rust flags

---
 Dockerfile | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 0907c021..fd22f13e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -96,10 +96,12 @@ RUN --mount=type=cache,target=/usr/local/cargo/registry \
     if [ -n "$SYNCTV_BUILD_FEATURES" ]; then \
         build_flags="$build_flags --features $SYNCTV_BUILD_FEATURES"; \
     fi; \
-    RUSTFLAGS="-Clink-arg=-fuse-ld=lld -Clink-arg=-Wl,-z,pack-relative-relocs" \
     cargo \
-        build $build_flags \
-        --bin synctv && \
+        rustc $build_flags \
+        --bin synctv \
+        -- \
+        -Clink-arg=-fuse-ld=lld \
+        -Clink-arg=-Wl,-z,pack-relative-relocs && \
     cp "target/$target_profile_dir/synctv" /synctv
 
 # Stage 2: Runtime image