How do people deal with persistent storage for your Docker containers? I am currently using this approach: build the image, e.g. for PostgreSQL, and then start the container with docker run --volumes-from c0dbc34fd631 -d app_name/postgres IMHO, that has the drawback, that I must not ever (by accident) delete container "c0dbc34fd631". Another idea would be to mount host volumes "-v" into the contai