fix drone

docker-compose.yml

@@ -8,7 +8,7 @@ services:
     environment:
       - HOST="your.domain.com"
       - DATABASE_URL="ecto://postgres:postgres@cannery-db/cannery"
-      # Use `docker run -it shibaobun/cannery mix phx.gen.secret` to generate a secret key base
+      # Use `docker run -it shibaobun/cannery /app/priv/random.sh` to generate a secret key base
       - SECRET_KEY_BASE="change-me-this-is-really-important-seriously-change-it"
       # uncomment to enable public sign ups, not recommended
       # - REGISTRATION="public"