feat: 使用 docker 部署

docker/Dockerfile

@@ -0,0 +1,18 @@
+FROM node
+
+LABEL maintainer = "yhlben <yinhengliben@gmail.com>"
+
+RUN rm -rf /app
+RUN mkdir /app
+
+WORKDIR /app
+
+COPY . /app
+
+RUN npm install
+RUN npm run build
+RUN mv ./dist/* ./
+
+EXPOSE 8082
+
+CMD BUILD_ENV=docker node app.js

docker/docker-compose.yml

@@ -0,0 +1,23 @@
+version: '3.7'
+
+services:
+  database:
+    image: mongo
+    restart: always
+    volumes:
+      - ~/data/db:/data/db
+    networks:
+      - webapp-network
+
+  web:
+    image: yhlben/cdfang-spider
+    depends_on:
+      - database
+    ports:
+      - 8082:8082
+    networks:
+      - webapp-network
+
+networks:
+  webapp-network:
+    driver: bridge

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cdfang-spider",
-  "version": "2.10.17",
+  "version": "2.11.17",
   "description": "成都房协网爬虫，定时爬取最新房源，可视化数据分析。",
   "main": "index.js",
   "scripts": {

src/client/config/index.ts

@@ -1,10 +1,7 @@
 import ApolloClient from 'apollo-boost';
 
 // 默认为当前域名
-let serverDomain = '';
-if (process.env.NODE_ENV === 'production') {
-  serverDomain = 'https://cdfangyuan.cn';
-}
+const serverDomain = '';
 
 function getGraphqlClient(): ApolloClient<{}> {
   return new ApolloClient({

src/nodeuii/config/index.ts

@@ -1,4 +1,11 @@
+const mongoDBHost =
+  process.env.BUILD_ENV === 'docker'
+    ? 'mongodb://database/test'
+    : 'mongodb://localhost/test';
+
 export default {
   spiderDomain: 'http://zw.cdzj.chengdu.gov.cn',
-  serverPort: 8082
+  serverPort: 8082,
+  // 和 docker-compose 里的 mongo 容器相对应
+  databaseUrl: mongoDBHost
 };

src/nodeuii/utils/dbHelper.ts

@@ -1,23 +1,43 @@
 /* eslint-disable no-console */
 import mongoose from 'mongoose';
+import config from '../config/index';
+
+let connectTimeOut: NodeJS.Timeout;
 
 const DbHelper = {
+  connectTimes: 8,
   connect(): mongoose.Mongoose {
-    mongoose.connect('mongodb://localhost/test', {
-      useNewUrlParser: true,
-      // 弃用警告 https://mongoosejs.com/docs/deprecations.html#-findandmodify-
-      useFindAndModify: false
-    });
+    DbHelper.mongooseConnect();
     const db = mongoose.connection;
-    db.on('error', console.error.bind(console, '连接mongodb失败。'));
-    db.once('open', () => {
-      console.warn('连接mongodb成功。');
+    db.once('error', () => {
+      console.error('连接 mongodb 失败。');
+      connectTimeOut = setInterval(() => {
+        if (DbHelper.connectTimes > 0) {
+          console.log(`正在重连 mongodb，剩余次数 ${DbHelper.connectTimes}。`);
+          DbHelper.connectTimes -= 1;
+          DbHelper.mongooseConnect();
+        } else {
+          console.log('重连 mongodb 失败。');
+          clearTimeout(connectTimeOut);
+        }
+      }, 8000);
+    });
+    db.on('open', () => {
+      console.log('连接 mongodb 成功。');
+      clearTimeout(connectTimeOut);
     });
     // 单例模式
     DbHelper.connect = () => {
       return mongoose;
     };
     return mongoose;
+  },
+  mongooseConnect(): void {
+    mongoose.connect(config.databaseUrl, {
+      useNewUrlParser: true,
+      // 弃用警告 https://mongoosejs.com/docs/deprecations.html#-findandmodify-
+      useFindAndModify: false
+    });
   }
 };