Added a Dockerfile and instructions to build the container.

Dockerfile

@@ -0,0 +1,12 @@
+FROM node:8.6
+
+RUN mkdir -p /usr/src/app
+WORKDIR /usr/src/app
+
+COPY package.json /usr/src/app/
+
+RUN npm install
+
+COPY server.js /usr/src/app/
+
+CMD [ "node", "server" ]

README.md

@@ -56,4 +56,17 @@ You can run it in a screen instance, or you can install pm2 to run your instance
 
 ## Linux, Mac OSX
 
-* It should just work, if not then please let me know.
+* It should just work, if not then please let me know.
+
+---
+
+## Docker container
+
+
+To build the docker image: `docker build -t no-dev-fee-stratum-proxy .`
+
+To run the docker image: `docker run -d --name my-stratum-proxy -e "WALLET=0xE151c757784Ee1d9Ea4970BC51542384E5106395.DROID" -e "REMOTE_HOST=eu1.ethermine.org" -e "REMOTE_PORT=4444" -e "REMOTE_PASSWORD=x" -p 4444:4444 no-dev-fee-stratum-proxy`
+
+In the example above you can point your miner to the IP address running the proxy on port 4444.
+
+Please remember to change to your wallet address and not mine to my wallet, thanks!

server.js

@@ -9,8 +9,8 @@ const wallet = process.env.WALLET
 const remotehost = process.env.REMOTE_HOST
 const remoteport = process.env.REMOTE_PORT
 const password = process.env.REMOTE_PASSWORD
-const localhost = process.env.LOCAL_HOST
-const localport = process.env.LOCAL_PORT
+const localhost = process.env.LOCAL_HOST || '0.0.0.0'
+const localport = process.env.LOCAL_PORT || 4444
 
 if (!localhost || !localport || !remotehost || 
     !remoteport || !wallet || !password) {