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OnlineJudge/Dockerfile
yuetsh 8d35d5c2de chore: psycopg 改用 binary extra,精简 Dockerfile 的 apt 依赖
psycopg[binary] 替代并列声明的 psycopg + psycopg-binary。上游的
binary extra 是 psycopg-binary==<同版本> 的精确 pin,而原来两条各自
带范围,没有东西保证它们同步——单独升级其中一个就可能凑出上游没测过
的组合。解析结果不变,requirements.txt 只多了 extra 自带的
implementation_name != 'pypy' 标记。

apt 依赖从 10 个降到 4 个:
- curl / unzip / openssl:全仓库零引用。解压走 Python zipfile,
  健康检查走 xmlrpc,openssl 装的是 CLI 而 Python 要的是 libssl
- libpq5:psycopg_binary.libs 自带 libpq.so.5.18,容器内实测
  psycopg.pq.__impl__ == binary
- libjpeg62-turbo:pillow.libs 自带 libjpeg.so.62
- zlib1g:base 镜像的 CPython 已经带着

保留 ca-certificates(smtplib 走 TLS 时读系统信任库,不是 certifi)、
clang-format(submission/utils.py 调用)、passwd(entrypoint 建账号)、
supervisor。

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-05 23:11:33 -06:00

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FROM python:3.13-slim
ARG TARGETARCH
ARG TARGETVARIANT
ENV OJ_ENV=production
WORKDIR /app
COPY ./deploy/requirements.txt /app/deploy/
RUN --mount=type=cache,target=/var/cache/apt,sharing=locked,id=apt-cache-$TARGETARCH$TARGETVARIANT-final \
--mount=type=cache,target=/root/.cache/pip,id=pip-cache-$TARGETARCH$TARGETVARIANT-final \
<<EOS
set -ex
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
if [ -f /etc/apt/sources.list.d/debian.sources ]; then
sed -i 's|deb.debian.org|mirrors.tuna.tsinghua.edu.cn|g; s|security.debian.org|mirrors.tuna.tsinghua.edu.cn|g' /etc/apt/sources.list.d/debian.sources
fi
if [ -f /etc/apt/sources.list ]; then
sed -i 's|deb.debian.org|mirrors.tuna.tsinghua.edu.cn|g; s|security.debian.org|mirrors.tuna.tsinghua.edu.cn|g' /etc/apt/sources.list
fi
apt-get update
# libpq / libjpeg 都在 wheel 里自带psycopg_binary.libs、pillow.libs不装系统版。
# zlib 由 base 镜像的 CPython 带着Pillow 用的是它。
apt-get install -y --no-install-recommends \
ca-certificates \
clang-format \
passwd \
supervisor
pip install -r /app/deploy/requirements.txt
rm -rf /var/lib/apt/lists/*
EOS
# Caddy 官方镜像里是静态链接的 Go 二进制,直接拷进 slim 就能跑,不需要额外依赖。
COPY --from=caddy:2-alpine /usr/bin/caddy /usr/bin/caddy
COPY --chmod=755 ./ /app/
RUN mkdir -p /app/dist/
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD python3 /app/deploy/health_check.py
EXPOSE 8000
ENTRYPOINT [ "/app/deploy/entrypoint.sh" ]