xiaoxia
74fffbfccb
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问题： fonts-noto-cjk apt 包安装的 .ttc 文件同时包含 Sans 和 Sans Mono 变体， 导致 fc-list 中 Bold 样式匹配到等宽字体（Noto Sans Mono CJK SC Bold）， 视频标题加粗渲染时使用等宽字体，与前端预览的非等宽字体不一致。 修复： 1. 删除有问题的 NotoSansCJK-Regular.ttc 和 NotoSansCJK-Bold.ttc 2. 从 Google Fonts 下载单独的 Noto Sans SC Variable Font（不含 Mono） 3. 刷新字体缓存，确保 fontconfig 使用正确的字体 影响范围：api-base.Dockerfile 和 worker-base.Dockerfile 验收标准： - fc-list 中 Noto Sans CJK SC 的 Bold 变体不再是等宽字体 - 视频标题加粗渲染与前端预览一致
57 lines
2.3 KiB
Docker
57 lines
2.3 KiB
Docker
# ============================================================
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# API 基础镜像（预构建）
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# 预装系统依赖 + Python 依赖，业务构建从此镜像开始
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# 当 requirements-base.txt 或 requirements.txt 变更时重新构建
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# 目标：将 API Image 构建时间从 15-20 分钟降至 3-5 分钟
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# ============================================================
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FROM git.xiaoxiajianji.com/xiaoxia/base/python:3.12-slim
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# 使用阿里云镜像加速
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RUN sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list.d/debian.sources 2>/dev/null || \
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sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list 2>/dev/null || true
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# 预装系统依赖（gcc 编译 psycopg/pg 扩展，libpq-dev 编译期，libpq5 运行期，ffmpeg 封面取帧）
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# 字体修复：fonts-noto-cjk 包的 .ttc 文件混入了 Mono 变体，导致 Bold 匹配到等宽字体
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# 解决方案：删除有问题的 .ttc，从 Google Fonts 下载单独的 Noto Sans SC（不含 Mono）
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RUN apt-get update && apt-get install -y --no-install-recommends \
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gcc \
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libpq-dev \
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libpq5 \
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ffmpeg \
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fonts-noto-cjk \
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fontconfig \
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curl \
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&& rm -rf /var/lib/apt/lists/* \
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# 删除有问题的 .ttc 文件（包含 Mono 变体）
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&& rm -f /usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc \
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&& rm -f /usr/share/fonts/opentype/noto/NotoSansCJK-Bold.ttc \
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# 下载单独的 Noto Sans SC（Variable Font，包含所有字重，不含 Mono）
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&& curl -fsSL -o /usr/share/fonts/opentype/noto/NotoSansSC-VF.ttf \
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"https://github.com/google/fonts/raw/main/ofl/notosanssc/NotoSansSC%5Bwght%5D.ttf" \
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# 刷新字体缓存
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&& fc-cache -fv
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# 创建虚拟环境
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RUN python -m venv /opt/venv
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ENV PATH="/opt/venv/bin:$PATH"
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WORKDIR /tmp
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# 预装 Python 基础依赖
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COPY requirements-base.txt requirements.txt ./
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RUN pip install --no-cache-dir \
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-i https://mirrors.aliyun.com/pypi/simple/ \
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--trusted-host mirrors.aliyun.com \
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-r requirements-base.txt -r requirements.txt
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# 虚拟环境瘦身
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RUN find /opt/venv -name "*.so" -type f -exec strip --strip-all {} \; 2>/dev/null || true
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RUN find /opt/venv -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null; \
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find /opt/venv -name "*.pyc" -delete 2>/dev/null || true
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# 清理临时文件
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RUN rm -f /tmp/requirements-base.txt /tmp/requirements.txt
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ENV PYTHONPATH=/app
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