补充同步环境配置并升级后端 Node 版本

backend/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:18-alpine
+FROM node:20-alpine
 
 # 安装OpenSSL
 RUN apk add --no-cache openssl openssl-dev

docker-compose.yml

@@ -36,6 +36,14 @@ services:
       SESSION_SECRET: equipment-management-secret-prod
       AUTH_MODE: local
       PORT: 3000
+      SQLSERVER_HOST: ${SQLSERVER_HOST:-}
+      SQLSERVER_PORT: ${SQLSERVER_PORT:-1433}
+      SQLSERVER_DATABASE: ${SQLSERVER_DATABASE:-}
+      SQLSERVER_USER: ${SQLSERVER_USER:-}
+      SQLSERVER_PASSWORD: ${SQLSERVER_PASSWORD:-}
+      HR_SYNC_ENABLED: ${HR_SYNC_ENABLED:-false}
+      HR_SYNC_SCHEDULE: ${HR_SYNC_SCHEDULE:-03:00}
+      HR_SYNC_INACTIVE_STATUS_VALUES: ${HR_SYNC_INACTIVE_STATUS_VALUES:-5}
     depends_on:
       mysql:
         condition: service_healthy