Update Dockerfile

Dockerfile

@@ -14,10 +14,12 @@ ARG DB_POSTGRESDB_USER=$DB_POSTGRESDB_USER
 ARG DB_POSTGRESDB_PASSWORD=$DB_POSTGRESDB_PASSWORD
 
 # 显示构建参数（调试用）
-RUN echo "Build args: CACHEBUST=${CACHEBUST}, DB_HOST=${DB_POSTGRESDB_HOST}, DB_PORT=${DB_POSTGRESDB_PORT}"
+RUN --mount=type=secret,id=DB_Host,mode=0444,required=true \
+    --mount=type=secret,id=DB_Port,mode=0444,required=true \
+    echo "Build args: CACHEBUST=${CACHEBUST}, DB_HOST=${DB_POSTGRESDB_HOST}, DB_PORT=${DB_POSTGRESDB_PORT}"
 
 # 设置 NC_DB 环境变量
-ENV NC_DB="pg://${DB_POSTGRESDB_HOST}:${DB_POSTGRESDB_PORT}?u=${DB_POSTGRESDB_USER}&p=${DB_POSTGRESDB_PASSWORD}&d=${DB_POSTGRESDB_DATABASE}"
+ENV NC_DB="pg://${DB_POSTGRESDB_HOST}:${DB_POSTGRESDB_PORT}?u=$(cat /run/secrets/DB_POSTGRESDB_USER)&p=$(cat /run/secrets/DB_POSTGRESDB_PASSWORD)&d=${DB_POSTGRESDB_DATABASE}"
 
 RUN mkdir -p /usr/app /usr/src/app && \
     chown -R node:node /usr/app /usr/src/app && \