fix build error

Author: shinonomeow

Dockerfile

@@ -41,8 +41,9 @@ RUN set -ex && \
     # Verify uv installation and show version
     # Install dependencies using uv
     python3 -m venv $VENV_PATH && \
-    # uv sync --frozen --no-dev && \
-    uv sync --frozen --no-dev --python /opt/venv/bin/python && \
+    # Set VIRTUAL_ENV to tell uv which venv to use
+    export VIRTUAL_ENV=$VENV_PATH && \
+    uv sync --frozen --no-dev && \
     # Remove build dependencies to reduce image size
     apk del \
     rust \