Update Dockerfile

Dockerfile

@@ -9,8 +9,12 @@ ENV PISTON_MAX_FILE_SIZE=1000000000
 ENV PISTON_DISABLE_NETWORKING=true
 ENV PISTON_REPO_URL=https://github.com/guipenedo/piston/releases/download/pkgs/index
 
-# 创建持久化包目录
-RUN mkdir -p /piston/packages
+# 安装 curl
+RUN apt-get update && apt-get install -y curl
+
+# 创建必要的目录并设置权限
+RUN mkdir -p /piston/packages /piston/jobs && \
+    chmod -R 777 /piston/packages /piston/jobs
 
 # 修改请求大小限制
 RUN sed -i '/app.use(body_parser.urlencoded/c\    app.use(body_parser.urlencoded({ extended: true, limit: \"512mb\" }));' src/index.js && \