fix compose version unsuported yet

cassiobotaro · cassiobotaro · commit ea27f3523263 · 2019-03-15T18:20:59.000-03:00
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -1,4 +1,4 @@
-version: "3"
+version: "2"
 
 services:
   caddy:
