Fixed docker-command command finding the container's ID by its name in the docker compose context (#103)

Author: l-alexandrov

docker-command

@@ -2,7 +2,7 @@
 # This is a convenience script for issuing commands to the site's docker environment
 # Example: ./docker-command php artisan migrate
 
-container_id=$(docker ps -q -f name=dcmp_public);
+container_id=$(docker ps -q -f name=dcmp-public);
 
 if [ ! "$container_id" ]; then
   echo "Docker Containers are not running. Use: 'docker-compose up -d public'"