diff --git a/backend/Dockerfile b/backend/Dockerfile
index 42b89a60dcdbfffd217d03d6127cf48dd64be510..557f9fd1376b61a734c25539d08542351d91db57 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -14,4 +14,4 @@ COPY app /app
 
 EXPOSE 8080
 
-CMD [ "npm", "start" ]
+CMD [ "node", "index.js" ]
diff --git a/backend/app/db/db.js b/backend/app/db/db.js
index c51cb590685c8e736e2b20304aee636ad4b9cf6d..737e817870d0b2fd0d128798b804c647e772d9bd 100644
--- a/backend/app/db/db.js
+++ b/backend/app/db/db.js
@@ -1,6 +1,14 @@
 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:'));
diff --git a/backend/app/index.js b/backend/app/index.js
index 67c66fe13516f4c97b73be5e5dfac93080f3decb..d25475509383547014b73860945ca561e0cad93c 100644
--- a/backend/app/index.js
+++ b/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)
diff --git a/backend/app/people/people.js b/backend/app/people/people.js
index 9cce4d36cab344f4b707fe7aeb2850c4890e2c36..084ef96a8eaeff838f2b025bbdc380722f12c31d 100644
--- a/backend/app/people/people.js
+++ b/backend/app/people/people.js
@@ -1,6 +1,27 @@
 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
diff --git a/backend/docker-compose.yml b/backend/docker-compose.yml
index f8dbe2f2ff6493a335f90b46712c545b0b8724ce..8d0d189fcb2f54a948683cc6ffe6bcec17673def 100644
--- a/backend/docker-compose.yml
+++ b/backend/docker-compose.yml
@@ -6,7 +6,7 @@ db:
 web:
   build: .
   volumes:
-    - app:/app
+    - ./app:/app
   ports:
     - "8000:8080"
   links: