Add dockerfiles for dev-environment

Dockerfile

@@ -0,0 +1,8 @@
+FROM maven:3-jdk-8-alpine
+
+RUN addgroup -g 1000 shouty \
+    && adduser -u 1000 -G shouty -s /bin/bash -D shouty
+
+USER shouty
+
+WORKDIR /shouty.java

README.md

@@ -39,6 +39,18 @@ In IntelliJ
 
 Then browse to the `pom.xml` file in the directory where you downloaded `shouty.java` and open the pom file. The project should now load.
 
+## Using Docker
+
+To get a command line shell for shouty, with Java and Maven, run `runDocker.sh`
+
+If you are running Linux or Mac OS with [XQuartz](https://www.xquartz.org/), you can get an Eclipse IDE running using `./eclipse`
+
+In Eclipse:
+
+`File > Import > Existing Maven Project`
+
+Then browse to `/workspace` directory.
+
 ## Run the tests
 
 In Eclipse:

eclipse

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+docker run -ti --rm \
+           -e DISPLAY=$DISPLAY \
+           -v /tmp/.X11-unix:/tmp/.X11-unix \
+           -v `pwd`:/workspace \
+           fgrehm/eclipse:v4.4.1
+
+# -v `pwd`/.eclipse-docker:/home/developer \

runDocker.sh

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+#!/bin/bash
+
+docker build . -t shouty.java
+
+docker run -it -v `pwd`:/shouty.java shouty.java /bin/bash