Update Docker image and documentation

Author: kunalkapadia

Dockerfile

@@ -1,5 +1,5 @@
-# take default image of node boron i.e  node 6.x
-FROM node:6.10.1
+# Use latest node version 8.x
+FROM node:8
 
 MAINTAINER Kunal Kapadia <kunalkapadia12@gmail.com>
 

README.md

@@ -147,12 +147,22 @@ Get code coverage summary on executing `yarn test`
 
 ## Docker
 
+#### Using Docker Compose for Development
 ```sh
-# Using Docker Compose for Development
 # service restarts on file change
-1. bash bin/development.sh
+bash bin/development.sh
 ```
 
+#### Building and running without Docker Compose
+```bash
+# To use this option you need to make sure mongodb is listening on port 27017
+
+# Build docker 
+docker build -t express-mongoose-es6-rest-api .
+
+# Run docker
+docker run -p 4040:4040 express-mongoose-es6-rest-api
+```
 
 
 ## A Boilerplate-only Option

docker-compose.yml

@@ -33,6 +33,6 @@ services:
     links:
       - mongo
   mongo:
-    image: "mongo:3.4.2"
+    image: "mongo:3.4"
     ports:
       - "27017:27017"