From d386cc7180e11e3cbc0968f1dcb9df3c10ce2298 Mon Sep 17 00:00:00 2001
From: snaily <snaily@linux.do>
Date: Thu, 18 Sep 2025 10:21:28 +0800
Subject: [PATCH] =?UTF-8?q?build(docker):=20=E4=BC=98=E5=8C=96=20Dockerfil?=
 =?UTF-8?q?e=20=E4=BB=A5=E5=AE=9E=E7=8E=B0=E5=A4=9A=E9=98=B6=E6=AE=B5?=
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将 Dockerfile 修改为多阶段构建，以减小最终镜像的体积并提高构建效率。

第一阶段（builder）负责安装 Python 依赖项。
第二阶段创建最终的生产镜像，仅从构建器阶段复制已安装的依赖包和应用程序代码，不包含构建时的工具和缓存。

这种方法可以显著减小镜像大小，并利用 Docker 的层缓存机制，仅在 `requirements.txt` 发生变化时才重新安装依赖。
---
 Dockerfile | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 1c36481..fff1123 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,13 +1,29 @@
+# Stage 1: Build dependencies
+FROM python:3.10-slim AS builder
+
+WORKDIR /app
+
+# Upgrade pip and setuptools
+RUN pip install --upgrade pip setuptools
+
+# Copy and install requirements
+# This layer is cached and only re-runs when requirements.txt changes
+COPY ./requirements.txt /app/
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Stage 2: Final application image
 FROM python:3.10-slim
 
 WORKDIR /app
 
-# 复制所需文件到容器中
-COPY ./requirements.txt /app
+# Copy installed packages from the builder stage
+COPY --from=builder /usr/local/lib/python3.10/site-packages /usr/local/lib/python3.10/site-packages
+
+# Copy the application code
+COPY ./app /app/app
 COPY ./VERSION /app
 
-RUN pip install --no-cache-dir -r requirements.txt
-COPY ./app /app/app
+# Set environment variables
 ENV API_KEYS='["your_api_key_1"]'
 ENV ALLOWED_TOKENS='["your_token_1"]'
 ENV TZ='Asia/Shanghai'