修复一些源码不能运行的问题

Dockerfile

@@ -8,12 +8,12 @@ RUN mkdir -p /usr/src/nodejs/
 WORKDIR /usr/src/nodejs/
 
 # RUN/COPY是分层的，package.json 提前，只要没修改就不会重新安装包
-COPY package.json /usr/src/app/package.json
-RUN cd /usr/src/app/
-RUN npm i
+COPY package.json yarn.lock /usr/src/nodejs/
+RUN cd /usr/src/nodejs/
+RUN yarn install && yarn cache clean
 
 # 把当前目录下所有的文件拷贝到 Image 的 /usr/src/nodejs/目录下
 COPY . /usr/src/nodejs/
 
-EXPOSE 30010
-CMD npm start
+EXPOSE 3000
+CMD npm start

docker-compose.yml

@@ -0,0 +1,14 @@
+version: '2' 
+services: 
+  webapp: 
+    build: . 
+    image: webapp:dockerstudy 
+    volumes: 
+      - ./:/usr/src/nodejs 
+    #depends_on: 
+      #- mongo 
+    ports: 
+      - 3000:3000 
+    container_name: dockerstudycontainer 
+  #mongo: 
+    #image: "mongo:latest" 

package.json

@@ -20,7 +20,8 @@
     "koa-static": "^3.0.0",
     "koa-views": "^5.2.1",
     "mongoose": "^5.8.1",
-    "pug": "^2.0.0-rc.1"
+    "pug": "^2.0.0-rc.1",
+    "uuid": "^7.0.3"
   },
   "devDependencies": {
     "nodemon": "^1.8.1"

routes/index.js

@@ -1,13 +1,13 @@
 'use strict'
 const router = require('koa-router')()
+const User = require('../models/user')
 // 用于封装controllers的公共方法
 
 var mongoose = require('mongoose')
 var uuid = require('uuid')
 
 router.get('/', async (ctx, next) => {
   // 向mongodb中添加一条数据
-  const User = mongoose.model('User')
   const user = await User.findOne({
 	  phoneNumber: '16677771234'
 	}).exec()