people backed finished

backend/Dockerfile

@@ -14,4 +14,4 @@ COPY app /app
 
 EXPOSE 8080
 
-CMD [ "npm", "start" ]
+CMD [ "node", "index.js" ]

backend/app/db/db.js

 var mongoose = require('mongoose')
 
-mongoose.connect("mongodb://mongo:27017")
+var MONGO_DB;
+ var DOCKER_DB = process.env.DB_1_PORT;
+ if ( DOCKER_DB ) {
+   MONGO_DB = DOCKER_DB.replace( "tcp", "mongodb" ) + "/dev_db";
+ } else {
+   MONGO_DB = process.env.MONGODB;
+ }
+
+mongoose.connect(MONGO_DB)
 
 var db = mongoose.connection;
 db.on('error', console.error.bind(console, 'connection error:'));

backend/app/index.js

@@ -3,6 +3,9 @@ var express = require('express')
 // bodyParser is a lib that parses POST & PUT data
 var bodyParser = require('body-parser')
 
+// add some entities
+var people = require("./people/people.js")
+
 var app = express()
 var port = process.env.PORT || 8080;
 
@@ -12,19 +15,28 @@ app.use(bodyParser.json())
 var people_path = '/people'
 
 app.get(people_path,function (req,res) {
-  res.send('some people here')
+  people.model.find(function (err,people) {
+    res.send(people)
+  })
 })
 
 app.post(people_path,function (req,res) {
-  res.send('create a person here')
+  var person_name = req.body.name
+  people.create(person_name,function (err) {
+    res.send(err)
+  })
 })
 
-app.put(people_path,function (req,res) {
-  res.send('modify a person')
+app.put(people_path+"/:person_id",function (req,res) {
+  people.modify(req.params.person_id,req.body.name, function (err) {
+    res.send(err)
+  })
 })
 
-app.delete(people_path,function (req,res) {
-  res.send('delete a person')
+app.delete(people_path+"/:person_id",function (req,res) {
+  people.remove(req.params.person_id, function (err) {
+    res.send(err)
+  })
 })
 
 app.listen(port)

backend/app/people/people.js

 var db = require('../db/db.js')
 var mongoose = require('mongoose')
 
+var people = {}
+
 db.once('open',function () {
-  // do things when connection opens
+  people.model = mongoose.model('People',{ name: String })
+
+  people.create = function (personName, callback) {
+    var newPeople = new people.model({ name: personName })
+    newPeople.save(callback)
+  }
+
+  people.modify = function (id,name,callback) {
+    people.model.findById(id).then(function (person) {
+      person.name = name
+      person.save(callback)
+    })
+  }
+
+  people.remove = function (id,callback) {
+    people.model.findById(id).remove(callback)
+  }
+
 })
+
+module.exports = people

backend/docker-compose.yml

@@ -6,7 +6,7 @@ db:
 web:
   build: .
   volumes:
-    - app:/app
+    - ./app:/app
   ports:
     - "8000:8080"
   links: