整理docker构建、使用多阶段构建

Dockerfile

@@ -1,35 +1,46 @@
-# 运行时
-FROM python:3.7.10-slim-stretch
-RUN mv /etc/apt/sources.list /etc/apt/sources.list.bak \
-    && echo "deb http://mirrors.tuna.tsinghua.edu.cn/debian/ stretch main contrib non-free">>/etc/apt/sources.list \
-    && echo "deb http://mirrors.tuna.tsinghua.edu.cn/debian/ stretch-updates main contrib non-free">>/etc/apt/sources.list \
-    && echo "deb http://mirrors.tuna.tsinghua.edu.cn/debian/ stretch-backports main contrib non-free">>/etc/apt/sources.list \
-    && echo "deb http://mirrors.tuna.tsinghua.edu.cn/debian-security stretch/updates main contrib non-free">>/etc/apt/sources.list \
-    && apt-get update \
-    && apt-get install -y wget tar xz-utils
-RUN wget https://nodejs.org/dist/v10.16.0/node-v10.16.0-linux-x64.tar.xz \
-    && tar -xvf node-v10.16.0-linux-x64.tar.xz \
-    && rm node-v10.16.0-linux-x64.tar.xz \
-    && ln -s /node-v10.16.0-linux-x64/bin/node /usr/local/bin/node \
-    && ln -s /node-v10.16.0-linux-x64/bin/npm /usr/local/bin/npm
+#
+# 构建前端
+#
 
-# 后端依赖
-WORKDIR /blivechat
-COPY requirements.txt ./
-RUN pip3 install --no-cache-dir -i https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt
+FROM node:16.14.0-bullseye AS builder
+ARG BASE_PATH='/root/blivechat'
+WORKDIR "${BASE_PATH}/frontend"
 
 # 前端依赖
-WORKDIR ./frontend
 COPY frontend/package.json ./
 RUN npm i --registry=https://registry.npmmirror.com
 
 # 编译前端
-COPY . ../
+COPY frontend ./
 RUN npm run build
 
+#
+# 准备后端
+#
+
+FROM python:3.8.12-bullseye
+ARG BASE_PATH='/root/blivechat'
+ARG EXT_DATA_PATH='/mnt/data'
+WORKDIR "${BASE_PATH}"
+
+# 后端依赖
+COPY requirements.txt ./
+RUN pip3 install --no-cache-dir -i https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt
+
+# 数据目录
+COPY . ./
+RUN mkdir -p "${EXT_DATA_PATH}/frontend/dist" \
+    && mv data "${EXT_DATA_PATH}/data" \
+    && ln -s "${EXT_DATA_PATH}/data" data \
+    && mv log "${EXT_DATA_PATH}/log" \
+    && ln -s "${EXT_DATA_PATH}/log" log \
+    && ln -s "${EXT_DATA_PATH}/frontend/dist" frontend/dist
+
+# 编译好的前端
+COPY --from=builder "${BASE_PATH}/frontend/dist" "${EXT_DATA_PATH}/frontend/dist/"
+
 # 运行
-WORKDIR ..
-VOLUME /blivechat/data /blivechat/log /blivechat/frontend/dist
+VOLUME "${EXT_DATA_PATH}"
 EXPOSE 12450
 ENTRYPOINT ["python3", "main.py"]
 CMD ["--host", "0.0.0.0", "--port", "12450"]

README.md

@@ -11,6 +11,7 @@
 * 高亮舰队、房管、主播的用户名
 * 支持屏蔽弹幕、合并相似弹幕等设置
 * 自带两种样式生成器，经典YouTube风格和仿微信风格
+* 支持前端直连B站服务器或者通过后端转发
 * 支持自动翻译弹幕、醒目留言到日语，可以在后台配置翻译目标语言
 * 支持标注打赏用户名的读音，可选拼音或日文假名
 * 支持配置自定义表情，不需要开通B站官方表情
@@ -68,9 +69,7 @@
 ### 四、Docker（自建服务器）
 1.  ```sh
     docker run --name blivechat -d -p 12450:12450 \
-      --mount source=blc-data,target=/blivechat/data \
-      --mount source=blc-log,target=/blivechat/log \
-      --mount source=blc-frontend,target=/blivechat/frontend/dist \
+      --mount source=blivechat-data,target=/mnt/data \
       xfgryujk/blivechat:latest
     ```
 2. 用浏览器打开[http://localhost:12450](http://localhost:12450)，以下略

api/main.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 import asyncio
 import hashlib
+import logging
 import os
 
 import tornado.web
@@ -9,6 +10,8 @@ import api.base
 import config
 import update
 
+logger = logging.getLogger(__name__)
+
 
 class MainHandler(tornado.web.StaticFileHandler):  # noqa
     """为了使用Vue Router的history模式，把不存在的文件请求转发到index.html"""
@@ -51,16 +54,18 @@ class UploadEmoticonHandler(api.base.ApiHandler):  # noqa
             raise tornado.web.HTTPError(415)
 
         url = await asyncio.get_event_loop().run_in_executor(
-            None, self._save_file, self.settings['WEB_ROOT'], file.body
+            None, self._save_file, file.body, self.settings['WEB_ROOT'], self.request.remote_ip
         )
         self.write({
             'url': url
         })
 
     @staticmethod
-    def _save_file(web_root, body):
+    def _save_file(body, web_root, client):
         md5 = hashlib.md5(body).hexdigest()
         rel_path = os.path.join('upload', md5 + '.png')
+        logger.info('client=%s uploaded file, path=%s, size=%d', client, rel_path, len(body))
+
         abs_path = os.path.join(web_root, rel_path)
         tmp_path = abs_path + '.tmp'
         with open(tmp_path, 'wb') as f: