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PR #1360 introduced FFmpeg-based frame extraction as fallback for cover generation, but the API Docker image did not include FFmpeg binary. Worker image already has it via worker-base-runtime, but API image only had libpq5 in its runtime stage. This caused subprocess calls to fail with FileNotFoundError when the cover generation tried to use _extract_frames_with_ffmpeg fallback. Fix: add ffmpeg to apt-get install in runtime stage of api.Dockerfile.
89 lines
3.2 KiB
Docker
Executable File
89 lines
3.2 KiB
Docker
Executable File
# ============================================================
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# API Dockerfile - FastAPI 应用
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# 优化：多阶段构建 + pip cache mount + 依赖分层缓存
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# ============================================================
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# ==================== Builder 阶段 ====================
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FROM git.xiaoxiajianji.com/xiaoxia/base/python:3.12-slim AS builder
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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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# 安装编译依赖（仅 builder 需要）
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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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&& rm -rf /var/lib/apt/lists/*
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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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# ---- 依赖分层：基础依赖（变化少，缓存命中率高）----
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COPY requirements-base.txt /tmp/requirements-base.txt
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RUN --mount=type=cache,target=/root/.cache/pip,sharing=locked \
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pip install --no-cache-dir -i https://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com \
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-r /tmp/requirements-base.txt \
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&& rm /tmp/requirements-base.txt
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# ---- 依赖分层：业务依赖（变化频繁）----
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COPY requirements.txt /tmp/requirements.txt
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RUN --mount=type=cache,target=/root/.cache/pip,sharing=locked \
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pip install --no-cache-dir -i https://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com \
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-r /tmp/requirements.txt \
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&& rm /tmp/requirements.txt
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# ---- Python 依赖瘦身 ----
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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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# ==================== Runtime 阶段 ====================
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FROM git.xiaoxiajianji.com/xiaoxia/base/python:3.12-slim AS runtime
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# 构建参数：版本号（CI 传入 commit hash）
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ARG APP_VERSION=dev
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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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# 只装运行时需要的库（libpq5 是 psycopg2 运行时依赖，ffmpeg 用于封面兜底取帧）
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RUN apt-get update && apt-get install -y --no-install-recommends \
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libpq5 \
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ffmpeg \
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&& rm -rf /var/lib/apt/lists/*
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# 从 builder 复制虚拟环境
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COPY --from=builder /opt/venv /opt/venv
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# 设置工作目录
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WORKDIR /app
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# 复制应用代码
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COPY apps/api/ /app/apps/api/
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COPY packages/ /app/packages/
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COPY alembic.ini /app/alembic.ini
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COPY migrations/ /app/migrations/
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COPY alembic/ /app/alembic/
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COPY scripts/ /app/scripts/
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# 设置环境变量
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ENV PATH="/opt/venv/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
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ENV PYTHONPATH=/app
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ENV PYTHONUNBUFFERED=1
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ENV APP_VERSION=$APP_VERSION
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# 健康检查
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HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
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CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health', timeout=5)"
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# API 入口点
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WORKDIR /app/apps/api
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CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
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