Merge pull request #6 from lhw/docker-compose

Add a docker-compose example file

docker-compose.yml

@@ -0,0 +1,17 @@
+ark:
+  image: turzam/ark
+  environment:
+    SESSIONNAME: Ark Docker
+    SERVERMAP: TheIsland
+    SERVERPASSWORD: 
+    ADMINPASSWORD: adminpassword
+    BACKUPONSTART: 1
+    UPDATEONSTART: 1
+  volumes:
+    - /my/path/to/ark:/ark
+  ports:
+   - 7778:7778/udp
+   - 7778:7778
+   - 27015:27015/udp
+   - 27015:27015
+   - 32330:32330