fix: 修复生产环境

start.sh

@@ -1,19 +1,31 @@
 #!/usr/bin/env sh
 
-set -e
-
+# 不 set -e，避免任一进程启动失败时直接退出导致容器无服务
 PORT="${PORT:-3000}"
 BACKEND_PORT="${BACKEND_PORT:-8000}"
 
-echo "Starting FastAPI backend on :${BACKEND_PORT}..."
+# 先启前端再启后端，保证至少前端能绑定端口；任一退出不杀另一个
+echo "Starting Node static frontend on 0.0.0.0:${PORT}..."
+HOST=0.0.0.0 PORT="${PORT}" BACKEND_PORT="${BACKEND_PORT}" node dist/server.js &
+FRONTEND_PID=$!
+
+echo "Starting FastAPI backend on 0.0.0.0:${BACKEND_PORT}..."
 uvicorn backend.main:app --host 0.0.0.0 --port "${BACKEND_PORT}" &
 BACKEND_PID=$!
 
-echo "Starting Node static frontend on :${PORT}..."
-PORT="${PORT}" BACKEND_PORT="${BACKEND_PORT}" node dist/server.js &
-FRONTEND_PID=$!
+sleep 2
+if ! kill -0 "${FRONTEND_PID}" 2>/dev/null; then
+  echo "WARN: frontend (node) exited, check logs (e.g. node dist/server.js)"
+fi
+if ! kill -0 "${BACKEND_PID}" 2>/dev/null; then
+  echo "WARN: backend (uvicorn) exited, check logs"
+fi
 
 trap 'echo "Stopping services..."; kill ${BACKEND_PID} ${FRONTEND_PID} 2>/dev/null || true' INT TERM
 
-wait -n "${BACKEND_PID}" "${FRONTEND_PID}"
+# 两进程都退出才结束，避免一个崩了把另一个也杀掉
+while kill -0 "${FRONTEND_PID}" 2>/dev/null || kill -0 "${BACKEND_PID}" 2>/dev/null; do
+  wait -n "${FRONTEND_PID}" "${BACKEND_PID}" 2>/dev/null || true
+  sleep 1
+done