added docker-compose.yml to the game_template directory

Dockerfile

@@ -1,7 +1,6 @@
 FROM python:2.7-alpine
 MAINTAINER Dan Feeney "feend78@gmail.com"
 RUN apk update && apk add gcc musl-dev
-ENV REFRESHED_AT 2016-12-09
 ADD . /usr/src/evennia
 RUN pip install -e /usr/src/evennia
 ONBUILD ADD . /usr/src/game

evennia/game_template/docker-compose.yml

@@ -0,0 +1,13 @@
+version: '2'
+
+services:
+  mygame:
+    build: .
+    image: myuser/mygame
+    stdin_open: true
+    tty: true
+    ports:
+      - "8000-8001:8000-8001"
+      - "4000:4000"
+    volumes: 
+      - .:/usr/src/game