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Dockerfile/python/lessie-sourcing-agents/Dockerfile

@@ -1,3 +1,6 @@
+###############################################
+# Stage 1: Builder （构建依赖 + venv）
+###############################################
 FROM uswccr.ccs.tencentyun.com/lessie/python:3.12-slim AS builder
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
@@ -5,32 +8,71 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 
 WORKDIR /data/webapps/lessie_sourcing_agents
 
-# Install build prerequisites required for native wheels, then remove leftover apt metadata.
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    build-essential \
-    ca-certificates \
-    cmake \
-    curl \
-    git \
-    libomp-dev \
-    libopenblas-dev \
-    ninja-build \
-    pkg-config \
-    && \
+# ------------------------------------------------------------
+# 1. APT 源替换 + 安装依赖（合并为一个 RUN，最大化缓存）
+# ------------------------------------------------------------
+RUN set -eux; \
+    sed -i 's@deb.debian.org@mirrors.tuna.tsinghua.edu.cn@g' /etc/apt/sources.list.d/debian.sources; \
+    sed -i 's@security.debian.org@mirrors.tuna.tsinghua.edu.cn@g' /etc/apt/sources.list.d/debian.sources; \
+    \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+        build-essential \
+        ca-certificates \
+        cmake \
+        curl \
+        git \
+        libomp-dev \
+        libopenblas-dev \
+        ninja-build \
+        pkg-config; \
     rm -rf /var/lib/apt/lists/*
 
+# ------------------------------------------------------------
+# 2. Pip 国内源设置（提前设置以便缓存命中）
+# ------------------------------------------------------------
+RUN pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/ \
+ && pip config set global.trusted-host mirrors.aliyun.com
+
+# ------------------------------------------------------------
+# 3. 安装 uv
+# ------------------------------------------------------------
 RUN python -m pip install --no-cache-dir "uv"
 
+# ------------------------------------------------------------
+# 4. 拷贝依赖文件（只有这些变了才会重新跑 uv sync）
+# ------------------------------------------------------------
 COPY pyproject.toml uv.lock requirements.in requirements.txt ./
 
-# RUN python -m uv venv --python /usr/local/bin/python /opt/venv && \
-#     python -m uv pip install --python /opt/venv/bin/python --no-cache -r requirements.txt
-
 ENV UV_PROJECT_ENVIRONMENT=/opt/venv
 
-RUN python -m uv venv /opt/venv && \
-    python -m uv sync --frozen --no-dev --python /usr/local/bin/python
 
+# ------------------------------------------------------------
+# 5. 设置 uv 变量（放在 COPY 前面确保有效缓存）
+# ------------------------------------------------------------
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    UV_HTTP_TIMEOUT=600 \
+    UV_INDEX_URL=https://pypi.tuna.tsinghua.edu.cn/simple \
+    UV_EXTRA_INDEX_URL=https://pypi.tuna.tsinghua.edu.cn/simple
+
+
+# ------------------------------------------------------------
+# 6. 创建 venv + 安装依赖（强烈建议使用 BuildKit 的 cache mount）
+# ------------------------------------------------------------
+RUN --mount=type=cache,target=/root/.cache \
+    python -m uv venv /opt/venv && \
+    python -m uv sync --frozen --no-dev --python /usr/local/bin/python --index $UV_INDEX_URL
+
+# ------------------------------------------------------------
+# 7. llama_index 强烈推荐写入 pyproject.toml，而不是单独安装
+# ------------------------------------------------------------
+RUN python -m uv pip install --python /opt/venv/bin/python --no-cache-dir llama_index
+
+
+###############################################
+# Stage 2: Runtime （最小化生产镜像）
+###############################################
 FROM uswccr.ccs.tencentyun.com/lessie/python:3.12-slim AS runtime
 
 ARG APP_PORT=8000
@@ -40,32 +82,35 @@ ENV APP_ENV=local \
 
 WORKDIR /data/webapps/lessie_sourcing_agents
 
-# Runtime dependencies required by packages like faiss-cpu.
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    libgomp1 \
-    libomp5 \
-    libopenblas0 \
-    && \
-    rm -rf /var/lib/apt/lists/*
-
-# Bring in the pre-built virtual environment from the builder stage.
+# ------------------------------------------------------------
+# 8. 拷贝 venv（仅包含已安装依赖）
+# ------------------------------------------------------------
 COPY --from=builder /opt/venv /opt/venv
 
-# Ship only the application sources in the runtime image.
+# ------------------------------------------------------------
+# 9. 仅拷贝业务代码（不会影响依赖缓存）
+# ------------------------------------------------------------
 COPY . .
 
+# ------------------------------------------------------------
+# 10. 设置环境变量和 PATH
+# ------------------------------------------------------------
 ENV PATH="/opt/venv/bin:${PATH}" \
     VIRTUAL_ENV="/opt/venv"
 
 EXPOSE ${APP_PORT}
 
+# ------------------------------------------------------------
+# 11. 日志目录
+# ------------------------------------------------------------
 RUN mkdir -p /data/webapps/lessie_sourcing_agents/logs
+ENV LOG_DIR=/data/webapps/lessie_sourcing_agents/logs
+VOLUME ["/data/webapps/lessie_sourcing_agents/logs"]
 
+# ------------------------------------------------------------
+# 12. Entrypoint
+# ------------------------------------------------------------
 COPY scripts/docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
 RUN chmod +x /usr/local/bin/docker-entrypoint.sh
 
-ENV LOG_DIR=/data/webapps/lessie_sourcing_agents/logs
-
-VOLUME ["/data/webapps/lessie_sourcing_agents/logs"]
-
 ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]