feat(docker): added docker support

Dockerfile

@@ -0,0 +1,20 @@
+##
+# NAME             : redsmin/proxy
+# VERSION          : latest
+# DOCKER-VERSION   : 1.5+
+# DESCRIPTION      : Sends emails using a JSON message sent through RabbitMQ and a template.
+# DEPENDENCIES     : node:0.12-onbuild
+# TO_BUILD         : docker build --pull=true --no-cache --rm -t redsmin/proxy:latest .
+# TO_SHIP          : docker push redsmin/proxy:latest
+# TO_RUN           : docker run -it --rm --name redsmin --link redis:redis -e REDSMIN_KEY=YOUR_REDMIN_KEY -e REDIS_URI="redis://redis:6379" redsmin-proxy
+##
+
+FROM node:0.12-onbuild
+
+MAINTAINER Francois-Guillaume Ribreau <[email protected]>
+
+RUN npm install redsmin -g
+
+ENV REDSMIN_KEY="" REDIS_URI=redis://redis:6379 REDIS_AUTH=""
+
+CMD REDSMIN_KEY=$REDSMIN_KEY REDIS_URI=$REDIS_URI REDIS_AUTH=$REDIS_AUTH redsmin

README.md

@@ -28,8 +28,23 @@ Advanced configuration:
 - `REDSMIN_HOSTNAME`: where redsmin proxy should connect, default `ssl.redsmin.com`
 - `DEBUG`: debug mode, default `false`
 
+
 #### How to start Redsmin proxy
 
+- Docker:
+
+Let first say you've started a Redis container:
+
+```bash
+docker run --name my-redis --rm redis
+```
+
+You can now start the redsmin-proxy container with:
+
+```bash
+docker run -it --rm --name redsmin --link my-redis:local-redis -e REDSMIN_KEY=YOUR_KEY -e REDIS_URI="redis://local-redis:6379" redsmin-proxy
+```
+
 - MacOS, Debian/Ubuntu: 
 
 ```bash
@@ -42,8 +57,10 @@ REDIS_URI="redis://127.0.0.1:6379" REDSMIN_KEY="redsmin-token" redsmin
 set REDIS_URI="redis://127.0.0.1:6379" 
 set REDSMIN_KEY="redsmin-token"
 redsmin
+
 ```
 
+
 #### How to start Redsmin proxy with a password protected redis
 
 - MacOS, Debian/Ubuntu: