Pass version environment variable to setup (elastic#62)

Chris Koehnke · fxdgear · commit f9d13bd2e062 · 2018-10-22T08:49:35.000-06:00
Pass `TAG` and `ELASTIC_VERSION` variables to the setup script to use
the specified versions.
diff --git a/setup.yml b/setup.yml
@@ -7,6 +7,8 @@ services:
     environment:
       - "PWD=${PWD}"
       - "ELASTIC_PASSWORD"
+      - "ELASTIC_VERSION"
+      - "TAG"
     volumes:
       - "/var/run/docker.sock:/var/run/docker.sock"
       - "${PWD}:${PWD}"
