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xiaoxia-saas/infra/docker/worker.Dockerfile
xiaoxia e0c3bae072
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ci: Worker镜像分层缓存优化,基础镜像预构建预计节省70%构建时间
2026-07-22 09:08:44 +08:00

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2.6 KiB
Docker
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# ============================================================
# Worker Dockerfile - 分层缓存优化版
# 优化:基础依赖 + Worker大包预构建为基础镜像,业务构建仅叠加业务依赖
# 基础镜像:worker-base-builder / worker-base-runtime
# 预计节省:依赖不变时构建时间从23min降至5min以内
# ============================================================
# ==================== Builder 阶段 ====================
# 从预构建的builder基础镜像开始,已经包含:
# - 编译工具 (gcc/g++/python3-dev/binutils)
# - requirements-base.txt 全部依赖
# - requirements-worker.txt 全部依赖 (numpy/scipy/opencv)
# - 预strip的.so文件
FROM git.xiaoxiajianji.com/xiaoxia-saas/worker-base-builder:latest AS builder
ENV PATH="/opt/venv/bin:$PATH"
WORKDIR /tmp
# ---- 安装业务依赖(变化频繁,单独一层)----
COPY requirements.txt /tmp/requirements.txt
RUN --mount=type=cache,target=/root/.cache/pip,sharing=locked \
pip install --no-cache-dir -i https://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com \
-r /tmp/requirements.txt \
&& rm /tmp/requirements.txt
# ---- 增量瘦身(只处理新增的业务依赖)----
RUN find /opt/venv -name "*.so" -type f -exec strip --strip-all {} \; 2>/dev/null || true
RUN find /opt/venv -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null; \
find /opt/venv -name "*.pyc" -delete 2>/dev/null || true
# ==================== Runtime 阶段 ====================
# 从预构建的runtime基础镜像开始,已经包含:
# - ffmpeg
# - libglib2.0-0
FROM git.xiaoxiajianji.com/xiaoxia-saas/worker-base-runtime:latest AS runtime
# 构建参数:版本号
ARG APP_VERSION=dev
# 从 builder 复制 Python 虚拟环境
COPY --from=builder /opt/venv /opt/venv
# 设置工作目录
WORKDIR /app
# 复制应用代码
COPY apps/worker/ /app/apps/worker/
COPY apps/api/app/config.py /app/apps/api/app/config.py
COPY apps/api/app/core/ /app/apps/api/app/core/
COPY packages/ /app/packages/
COPY alembic.ini /app/alembic.ini
COPY migrations/ /app/migrations/
# 复制 Worker 启动脚本
COPY infra/docker/entrypoint-worker.sh /usr/local/bin/entrypoint-worker.sh
RUN chmod +x /usr/local/bin/entrypoint-worker.sh
# 设置 Python 路径
ENV PATH="/opt/venv/bin:$PATH"
ENV PYTHONPATH=/app:/app/packages
ENV PYTHONUNBUFFERED=1
ENV APP_VERSION=$APP_VERSION
# 创建非 root 用户运行 Worker
RUN groupadd -r celery && useradd -r -g celery -d /app -s /sbin/nologin celery \
&& mkdir -p /app/generated && chown celery:celery /app/generated
USER celery
# Worker 入口点
WORKDIR /app/apps/worker
CMD ["/usr/local/bin/entrypoint-worker.sh"]