Remove redundant Docker Compose configuration

The same values are already defined in the Dockerfile.

docker-compose.yml

@@ -18,8 +18,6 @@ services:
     # use the Dockerfile next to this file
     build: .
     entrypoint: /usr/local/bin/entrypoint.sh
-    command: bundle exec rails s -p 3000 -b "0.0.0.0"
-    working_dir: /var/www/consul
 
     # rely on the RAILS_ENV value of the host machine
     # environment: