Mounting a Volume Using Compose and Sharing Images

Mounting a volume

Before we leave our docker-compose.yml, let’s make a small addition. The -v option allows us to mount a local directory inside a container with docker run. By using this, the Rails project files generated inside the container would be available on our local machine. A mounted local volume represents some filesystem that is shared between your local machine and the container. Files in the mounted volume have synced both ways ...