增加squid

squid/Dockerfile

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+FROM alpine:latest
+
+# 安装 Squid
+RUN apk add --no-cache squid
+
+# 创建缓存目录并设置权限
+RUN mkdir -p /var/cache/squid \
+    && chown -R squid:squid /var/cache/squid
+
+# 复制配置文件（或通过挂载）
+#COPY squid.conf /etc/squid/squid.conf
+
+# 暴露端口
+EXPOSE 3128
+
+# 启动命令
+CMD ["squid", "-N", "-f", "/etc/squid/squid.conf"]