Create Dockerfile

Dockerfile

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+# 第一阶段：构建环境
+FROM perl:5.32-slim-bullseye AS builder
+
+# 一次性设置环境变量
+ENV PERL_CPANM_OPT="--verbose --notest --mirror https://cpan.metacpan.org" \
+    LIBEV_FLAGS=4
+
+# 合并所有apt操作到单个RUN层
+RUN set -eux; \
+    apt-get update && \
+    apt-get install -y --no-install-recommends \
+        ca-certificates \
+        wget \
+        gcc \
+        libc-dev \
+        libssl-dev \
+        zlib1g-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# 批量安装所有CPAN模块（包含版本锁定）
+RUN cpanm App::cpanminus && \
+    cpanm \
+        EV \
+        IO::Socket::IP \
+        IO::Socket::Socks \
+        Net::DNS::Native \
+    && cpanm --notest IO::Socket::SSL \
+    && cpanm Mojolicious@8.15
+
+# 第二阶段：运行时环境
+FROM perl:5.32-slim-bullseye
+
+# 仅复制运行时需要的文件
+COPY --from=builder /usr/local/lib/perl5 /usr/local/lib/perl5
+COPY --from=builder /usr/local/bin/cpanm /usr/local/bin/cpanm
+COPY --from=builder /usr/local/bin/* /usr/local/bin/
+
+# 安装运行时依赖（无编译工具）
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        libssl-dev \
+        zlib1g-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+EXPOSE 3000
+COPY dockerhub-public-proxy.pl /usr/local/bin/
+CMD ["dockerhub-public-proxy.pl", "daemon"]