Change the app so that it works with Docker

Dockerfile

@@ -0,0 +1,11 @@
+FROM ubuntu:16.04
+
+RUN apt-get update && apt-get install -y nodejs npm
+RUN apt-get install -y curl && npm cache clean -f && npm install -g n && n stable
+RUN apt-get install -y net-tools
+
+WORKDIR /explorer
+COPY . .
+
+EXPOSE 8000
+CMD ["npm","start"]

README.md

@@ -2,11 +2,11 @@
 
 ![EthExplorer Screenshot](http://i.imgur.com/NHFYq0x.png)
 
-##License
+## License
 
 GPL (see LICENSE)
 
-##Installation
+## Installation
 
 Install [Git](https://git-scm.com/book/en/v2/Getting-Started-Installing-Git "Git installation") if you haven't already
 
@@ -26,4 +26,12 @@ Then visit http://localhost:8000 in your browser of choice. You might get an err
 
 Install [geth](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum "Geth install") if you don't already have it, then run the above command.
 
-Then refresh the page in your browser 
+Then refresh the page in your browser
+
+## Docker
+
+If you are using Docker, you can use this [Docker image from DockerHub](https://hub.docker.com/r/zulhfreelancer/ethereum_explorer/). See [Dockerfile](Dockerfile).
+
+```
+$ docker run --name block_explorer --rm -it -p 8000:8000 zulhfreelancer/ethereum_explorer:latest
+```

app/app.js

@@ -27,16 +27,17 @@ angular.module('ethExplorer', ['ngRoute','ui.bootstrap'])
     }])
     .run(function($rootScope) {
         var web3 = new Web3();
-        var eth_node_url = 'http://localhost:8545'; // TODO: remote URL
+        var host = window.location.hostname;
+        var eth_node_url = 'http://' + host + ':8545';
 	web3.setProvider(new web3.providers.HttpProvider(eth_node_url));
         $rootScope.web3 = web3;
         function sleepFor( sleepDuration ){
             var now = new Date().getTime();
-            while(new Date().getTime() < now + sleepDuration){ /* do nothing */ } 
+            while(new Date().getTime() < now + sleepDuration){ /* do nothing */ }
         }
         var connected = false;
         if(!web3.isConnected()) {
-            $('#connectwarning').modal({keyboard:false,backdrop:'static'}) 
-            $('#connectwarning').modal('show') 
+            $('#connectwarning').modal({keyboard:false,backdrop:'static'})
+            $('#connectwarning').modal('show')
         }
     });