Change docker-compose.yaml version

Sean P. Kane · Sean P. Kane · commit bd581e6d8ad8 · 2017-09-17T11:08:04.000-07:00
diff --git a/docker-compose.yaml b/docker-compose.yaml
@@ -1,4 +1,4 @@
-version: '3'
+version: '2.3'
 services:
   mybot:
     build:
