From 85130db6ea3dc7c87819cdddd311c95479078545 Mon Sep 17 00:00:00 2001
From: yueli <yueli@example.com>
Date: Wed, 2 Sep 2026 18:39:09 +0800
Subject: [PATCH] =?UTF-8?q?perf:=20Docker=20=E6=9E=84=E5=BB=BA=E4=BD=BF?=
 =?UTF-8?q?=E7=94=A8=E6=B8=85=E5=8D=8E=E9=95=9C=E5=83=8F=E6=BA=90=E5=B9=B6?=
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---
 inventory-backend/.dockerignore | 20 ++++++++++++++++++++
 inventory-backend/Dockerfile    |  9 ++++++---
 2 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/inventory-backend/.dockerignore b/inventory-backend/.dockerignore
index 4f7f6f2..c038fa9 100644
--- a/inventory-backend/.dockerignore
+++ b/inventory-backend/.dockerignore
@@ -10,3 +10,23 @@ uploads
 pgdata
 .env
 simhei.ttf
+
+# ---- 补充排除项 ----
+# Windows 残留空文件
+nul
+# 数据库备份文件（避免打进镜像/context）
+*.dump
+*.sql.gz
+*.tar.gz
+*.gz
+*.log
+# 数据库迁移脚本（运行时用 volume 挂载宿主机，镜像内不需要）
+db_migrations
+# 测试脚本与缓存
+test_*.py
+tests
+.pytest_cache
+.coverage
+# 运维修复脚本（宿主机保留，无需进镜像）
+fix_*.py
+fix_*.sql
diff --git a/inventory-backend/Dockerfile b/inventory-backend/Dockerfile
index 5b9ec6a..0d1bdc3 100644
--- a/inventory-backend/Dockerfile
+++ b/inventory-backend/Dockerfile
@@ -5,9 +5,12 @@ WORKDIR /app
 
 # 1. 复制依赖并安装
 COPY requirements.txt .
-# 安装依赖 + gunicorn
-RUN pip install --no-cache-dir -r requirements.txt && \
-    pip install --no-cache-dir gunicorn
+# 安装依赖 + gunicorn（清华镜像源 + BuildKit 缓存挂载）
+# ★ 关键优化：pip 下载的 wheel 会缓存在宿主 /root/.cache/pip，
+#   只要 requirements.txt 不变，重复构建不再重新下载（首次约100s，之后秒级）
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install -i https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt && \
+    pip install -i https://pypi.tuna.tsinghua.edu.cn/simple gunicorn
 
 # 2. 复制后端代码
 COPY . .