added dockerized mongodb

backend/app/db/db.js

+var mongoose = require('mongoose')
+
+mongoose.connect("mongodb://mongo:27017")
+
+var db = mongoose.connection;
+db.on('error', console.error.bind(console, 'connection error:'));
+
+module.exports = db

backend/app/people/people.js

+var db = require('../db/db.js')
+var mongoose = require('mongoose')
+
+db.once('open',function () {
+  // do things when connection opens
+})

backend/build

-#!/bin/bash
-sudo docker build . -t node

backend/docker-compose.yml

+db:
+  image: mongo
+  ports:
+    - "27017:27017"
+  command: "--smallfiles --logpath=/dev/null"
+web:
+  build: .
+  volumes:
+    - app:/app
+  ports:
+    - "8000:8080"
+  links:
+    - db

backend/npm-debug.log

-0 info it worked if it ends with ok
-1 verbose cli [ '/usr/bin/nodejs', '/usr/bin/npm', 'start' ]
-2 info using npm@4.1.2
-3 info using node@v7.5.0
-4 verbose config Skipping project config: /home/nemboru/.npmrc. (matches userconfig)
-5 verbose stack Error: ENOENT: no such file or directory, open '/home/nemboru/package.json'
-6 verbose cwd /home/nemboru/workshop/daa-custom-stack/backend
-7 error Linux 4.4.0-62-generic
-8 error argv "/usr/bin/nodejs" "/usr/bin/npm" "start"
-9 error node v7.5.0
-10 error npm  v4.1.2
-11 error path /home/nemboru/package.json
-12 error code ENOENT
-13 error errno -2
-14 error syscall open
-15 error enoent ENOENT: no such file or directory, open '/home/nemboru/package.json'
-16 error enoent ENOENT: no such file or directory, open '/home/nemboru/package.json'
-16 error enoent This is most likely not a problem with npm itself
-16 error enoent and is related to npm not being able to find a file.
-17 verbose exit [ -2, true ]

backend/run

-#!/bin/bash
-echo 'http://127.0.0.1:8000'
-sudo docker run -it -p 8000:80 node

backend/rundev

-#!/bin/bash
-echo 'http://127.0.0.1:8000'
-sudo docker run -it -p 8000:8080 -v $(pwd)/app:/app node