fix: dockerfile优化

Author: linyuan0213

Dockerfile

@@ -1,23 +1,27 @@
+# 使用多阶段构建优化镜像大小
 FROM python:3.11-alpine3.19 AS builder
 
+# 减少 COPY 操作的次数
 COPY ./package_list.txt /tmp/
-COPY ./requirements.txt /tmp/
-RUN apk add --no-cache --virtual .build-deps \
-        libffi-dev \
-        gcc \
-        musl-dev \
-        libxml2-dev \
-        libxslt-dev \
-    && apk add --no-cache $(cat /tmp/package_list.txt) \
-    && curl https://rclone.org/install.sh | bash \
-    && if [ "$(uname -m)" = "x86_64" ]; then ARCH=amd64; elif [ "$(uname -m)" = "aarch64" ]; then ARCH=arm64; fi \
-    && curl https://dl.min.io/client/mc/release/linux-${ARCH}/mc --create-dirs -o /usr/bin/mc \
+
+# 安装依赖，安装 rclone 和 mc，清理无用文件
+RUN apk add --no-cache $(cat /tmp/package_list.txt) \
+    && curl -sSL https://rclone.org/install.sh | bash \
+    && ARCH=$(case "$(uname -m)" in x86_64) echo "amd64";; aarch64) echo "arm64";; esac) \
+    && curl -sSL https://dl.min.io/client/mc/release/linux-${ARCH}/mc -o /usr/bin/mc \
     && chmod +x /usr/bin/mc \
-    && apk del --purge .build-deps \
     && rm -rf /tmp/* /root/.cache /var/cache/apk/*
+
+# 添加 rootfs 文件
 COPY --chmod=755 ./docker/rootfs /
+
+# 最小化的运行时镜像
 FROM scratch AS app
-COPY --from=Builder / /
+
+# 复制 builder 阶段的内容到运行时
+COPY --from=builder / /
+
+# 设置环境变量
 ENV S6_SERVICES_GRACETIME=30000 \
     S6_KILL_GRACETIME=60000 \
     S6_CMD_WAIT_FOR_SERVICES_MAXTIME=0 \
@@ -35,23 +39,41 @@ ENV S6_SERVICES_GRACETIME=30000 \
     UMASK=000 \
     NT_PORT=3000 \
     WORKDIR="/nas-tools"
-RUN mkdir ${WORKDIR}
+
+# 创建必要的目录
+RUN mkdir -p ${WORKDIR} ${HOME}
+
+# 复制应用代码到镜像
 ADD ./ ${WORKDIR}/
 
-WORKDIR ${WORKDIR}
-RUN mkdir ${HOME} \
+# 添加用户和用户组，并设置系统参数
+RUN apk add --no-cache --virtual .build-deps \
+            libffi-dev \
+            gcc \
+            musl-dev \
+            libxml2-dev \
+            libxslt-dev \
     && addgroup -S nt -g 911 \
     && adduser -S nt -G nt -h ${HOME} -s /bin/bash -u 911 \
     && echo 'fs.inotify.max_user_watches=5242880' >> /etc/sysctl.conf \
     && echo 'fs.inotify.max_user_instances=5242880' >> /etc/sysctl.conf \
-    && echo 'vm.overcommit_memory = 1' >> /etc/sysctl.conf \
+    && echo 'vm.overcommit_memory=1' >> /etc/sysctl.conf \
     && echo "nt ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers \
-    && curl -LsSf https://astral.sh/uv/install.sh | sh \
-    && source $HOME/.local/bin/env \
-    && uv sync
+    && curl -sSL https://astral.sh/uv/install.sh | sh \
+    && . $HOME/.local/bin/env \
+    && uv sync \
+    && apk del --purge .build-deps \
+    && rm -rf /tmp/* /root/.cache /var/cache/apk/*
 
+# 健康检查
 HEALTHCHECK --interval=30s --timeout=30s --retries=3 \
     CMD wget -qO- http://localhost:${NT_PORT}/healthcheck || exit 1
-EXPOSE 3000
+
+# 暴露端口
+EXPOSE ${NT_PORT}
+
+# 挂载配置目录
 VOLUME ["/config"]
-ENTRYPOINT [ "/init" ]
+
+# 启动入口
+ENTRYPOINT ["/init"]