Update Node.js to v4.4.7 (close #61)

Author: beevelop

Dockerfile

@@ -1,24 +1,14 @@
 FROM beevelop/base
 MAINTAINER Maik Hummel <[email protected]>
 
-# Build-Variables
-ENV NODEJS_VERSION 4.3.2
-
-# Set Environment Variables
-ENV PATH $PATH:/opt/nodejs/bin
+ENV NODEJS_VERSION=4.4.7 \
+    PATH=$PATH:/opt/nodejs/bin
 
 WORKDIR "/opt"
 
 RUN apt-get update -y && \
-    # Install curl
     apt-get install -y curl && \
-
-    # Download defined Node.js Version
     curl -O https://nodejs.org/dist/v${NODEJS_VERSION}/node-v${NODEJS_VERSION}-linux-x64.tar.gz && \
-
-    # Extract and move to /opt
     tar xf node-v${NODEJS_VERSION}-linux-x64.tar.gz && \
     mv node-v${NODEJS_VERSION}-linux-x64 /opt/nodejs && \
-
-    # Clean up
     rm node-v${NODEJS_VERSION}-linux-x64.tar.gz