Merge pull request #231 from chorrell/NODE_ENV

Add NODE_ENV ARG to all Dockerfiles

Author: chorrell

0.10/onbuild/Dockerfile

@@ -3,6 +3,7 @@ FROM node:0.10.46
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
 
+ONBUILD ARG NODE_ENV
 ONBUILD COPY package.json /usr/src/app/
 ONBUILD RUN npm install
 ONBUILD COPY . /usr/src/app

0.12/onbuild/Dockerfile

@@ -3,6 +3,7 @@ FROM node:0.12.15
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
 
+ONBUILD ARG NODE_ENV
 ONBUILD COPY package.json /usr/src/app/
 ONBUILD RUN npm install
 ONBUILD COPY . /usr/src/app

4.5/onbuild/Dockerfile

@@ -3,6 +3,7 @@ FROM node:4.5.0
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
 
+ONBUILD ARG NODE_ENV
 ONBUILD COPY package.json /usr/src/app/
 ONBUILD RUN npm install
 ONBUILD COPY . /usr/src/app

6.6/onbuild/Dockerfile

@@ -3,6 +3,7 @@ FROM node:6.6.0
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
 
+ONBUILD ARG NODE_ENV
 ONBUILD COPY package.json /usr/src/app/
 ONBUILD RUN npm install
 ONBUILD COPY . /usr/src/app